Warner Bros. Discovery (WBD) 10-Q4 Nov 142014 Q3 Quarterly reportFinancial data

Company Profile

Document_And_Entity_Informatio

Document And Entity Information	9 Months Ended
	Sep. 30, 2014	Oct. 28, 2014	Oct. 28, 2014	Oct. 28, 2014
	Sep. 30, 2014	Series A Common Stock [Member]	Series B Common Stock [Member]	Series C Common Stock [Member]
Document Type	'10-Q	'	'	'
Amendment Flag	'false	'	'	'
Document Period End Date	30-Sep-14	'	'	'
Document Fiscal Year Focus	'2014	'	'	'
Document Fiscal Period Focus	'Q3	'	'	'
Entity Registrant Name	'Discovery Communications, Inc.	'	'	'
Entity Central Index Key	'0001437107	'	'	'
Current Fiscal Year End Date	'--12-31	'	'	'
Entity Filer Category	'Large Accelerated Filer	'	'	'
Entity Common Stock, Shares Outstanding	'	148,491,088	6,542,457	287,302,099

Consolidated_Balance_Sheets

Consolidated Balance Sheets (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:	'	'
Cash and cash equivalents	$376	$408
Receivables, net	1,464	1,371
Content rights, net	379	277
Deferred income taxes	87	73
Prepaid expenses and other current assets	278	281
Total current assets	2,584	2,410
Noncurrent content rights, net	2,028	1,883
Property and equipment, net	525	514
Goodwill	8,320	7,341
Intangible assets, net	2,091	1,565
Equity method investments	667	1,087
Other noncurrent assets	158	179
Total assets	16,373	14,979
Current liabilities:	'	'
Accounts payable	209	141
Accrued liabilities	1,040	992
Deferred revenues	304	144
Current portion of debt	995	17
Total current liabilities	2,548	1,294
Noncurrent portion of debt	6,153	6,482
Deferred income taxes	692	637
Other noncurrent liabilities	310	333
Total liabilities	9,703	8,746
Commitments and contingencies (Note 15)	'	'
Redeemable noncontrolling interests	785	36
Discovery Communications, Inc. stockholders' equity:	'	'
Additional paid-in capital	6,905	6,826
Treasury stock, at cost	-4,488	-3,531
Retained earnings	3,654	2,892
Accumulated other comprehensive (loss) income	-195	4
Total Discovery Communications, Inc. stockholders' equity	5,883	6,196
Noncontrolling interests	2	1
Total equity	5,885	6,197
Total liabilities and equity	16,373	14,979
Series A Convertible Preferred Stock [Member]	'	'
Discovery Communications, Inc. stockholders' equity:	'	'
Convertible preferred stock	1	1
Series C Convertible Preferred Stock [Member]	'	'
Discovery Communications, Inc. stockholders' equity:	'	'
Convertible preferred stock	1	1
Series A Common Stock [Member]	'	'
Discovery Communications, Inc. stockholders' equity:	'	'
Common stock	1	1
Treasury stock, at cost	-171	'
Series B Common Stock [Member]	'	'
Discovery Communications, Inc. stockholders' equity:	'	'
Convertible common stock	0	0
Series C Common Stock [Member]	'	'
Discovery Communications, Inc. stockholders' equity:	'	'
Common stock	4	2
Treasury stock, at cost	($4,300)	'

Consolidated_Balance_Sheets_Pa

Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Series A Convertible Preferred Stock [Member]	'	'
Stock, par value	$0.01	$0.01
Stock, shares authorized	75,000,000	75,000,000
Stock, shares issued	71,000,000	71,000,000
Series C Convertible Preferred Stock [Member]	'	'
Stock, par value	$0.01	$0.01
Stock, shares authorized	75,000,000	75,000,000
Stock, shares issued	43,000,000	44,000,000
Series A Common Stock [Member]	'	'
Stock, par value	$0.01	$0.01
Stock, shares authorized	1,700,000,000	1,700,000,000
Stock, shares issued	151,000,000	150,000,000
Series B Common Stock [Member]	'	'
Stock, par value	$0.01	$0.01
Stock, shares authorized	100,000,000	100,000,000
Stock, shares issued	7,000,000	7,000,000
Series C Common Stock [Member]	'	'
Stock, par value	$0.01	$0.01
Stock, shares authorized	2,000,000,000	2,000,000,000
Stock, shares issued	375,000,000	151,000,000

Consolidated_Statements_Of_Ope

Consolidated Statements Of Operations (USD $)	0 Months Ended		3 Months Ended		9 Months Ended
In Millions, except Per Share data, unless otherwise specified	30-May-14	Jul. 16, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:	'	'	'	'	'	'
Distribution	'	'	$748	$651	$2,097	$1,896
Advertising	'	'	725	665	2,258	1,922
Other	'	'	95	59	234	180
Total revenues	'	'	1,568	1,375	4,589	3,998
Costs and expenses:	'	'	'	'	'	'
Costs of revenues, excluding depreciation and amortization	'	'	529	435	1,526	1,214
Selling, general and administrative	'	'	432	390	1,247	1,149
Depreciation and amortization	'	'	85	80	243	190
Restructuring charges	'	'	11	1	19	11
Gain on disposition	-31	19	0	-19	-31	-19
Total costs and expenses	'	'	1,057	887	3,004	2,545
Operating income	'	'	511	488	1,585	1,453
Interest expense	'	'	-83	-80	-247	-228
Income (loss) from equity investees, net	'	'	13	0	34	-9
Other income, net	'	'	1	11	11	61
Income from continuing operations before income taxes	'	'	442	419	1,383	1,277
Provision for income taxes	'	'	-155	-163	-481	-490
Net income	'	'	287	256	902	787
Net income attributable to noncontrolling interests	'	'	0	-1	-2	-1
Net income attributable to redeemable noncontrolling interests	'	'	-7	0	-11	0
Net income available to Discovery Communications, Inc.	'	'	$280	$255	$889	$786
Series A, B and C Common Stock [Member]	'	'	'	'	'	'
Basic earnings per share available to Discovery Communications, Inc. stockholders:	'	'	'	'	'	'
Net income per share	'	'	$0.41	$0.36	$1.29	$1.09
Diluted earnings per share available to Discovery Communications, Inc. stockholders:	'	'	'	'	'	'
Net income per share	'	'	$0.41	$0.35	$1.28	$1.08
Weighted average shares outstanding:	'	'	'	'	'	'
Basic	'	'	449	483	458	488
Diluted	'	'	682	719	693	727

Consolidated_Statements_Of_Com

Consolidated Statements Of Comprehensive Income (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]	'	'	'	'
Net income	$287	$256	$902	$787
Other comprehensive (loss) income, net of tax:	'	'	'	'
Currency translation adjustments	-187	104	-219	-3
Derivative and market value adjustments	3	0	-6	6
Comprehensive income	103	360	677	790
Comprehensive income attributable to noncontrolling interests	0	-1	-2	-1
Comprehensive loss attributable to redeemable noncontrolling interests	20	0	15	1
Comprehensive income attributable to Discovery Communications, Inc.	$123	$359	$690	$790

Consolidated_Statements_Of_Cas

Consolidated Statements Of Cash Flows (USD $)	9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Operating Activities	'	'
Net income	$902	$787
Adjustments to reconcile net income to cash provided by operating activities:	'	'
Equity-based compensation expense	66	129
Depreciation and amortization	243	190
Content amortization and impairment expense	1,083	850
Gain on disposition	-31	-19
Remeasurement gain on previously held equity interest	-29	-92
Equity in (earnings) losses of investee companies, net of cash distributions	-15	15
Deferred income tax (benefit) expense	-124	144
Launch amortization expense	8	14
Loss from hedging instruments, net	0	55
Other, net	27	22
Changes in operating assets and liabilities, net of business combinations:	'	'
Receivables, net	3	-92
Content rights	-1,269	-1,061
Accounts payable and accrued liabilities	92	41
Equity-based compensation liabilities	-81	-61
Income tax receivable	53	50
Other, net	-35	-42
Cash provided by operating activities	893	930
Investing Activities	'	'
Purchases of property and equipment	-85	-76
Business acquisitions, net of cash acquired	-369	-1,832
Hedging instruments, net	0	-55
Proceeds from disposition	45	28
Distributions from equity method investees	58	23
Investments in equity method investees, net	-174	-28
Other investing activities, net	-4	-1
Cash used in investing activities	-529	-1,941
Financing Activities	'	'
Borrowings from debt, net of discount and issuance costs	409	1,186
Borrowings under revolving credit facility	145	0
Commercial paper, net	126	0
Principal repayments of capital lease obligations	-13	-21
Repurchases of stock	-1,067	-969
Cash proceeds from equity-based plans, net	39	61
Other financing activities, net	-8	-3
Cash (used in) provided by financing activities	-369	254
Effect of exchange rate changes on cash and cash equivalents	-27	-5
Net change in cash and cash equivalents	-32	-762
Cash and cash equivalents, beginning of period	408	1,201
Cash and cash equivalents, end of period	376	439
Supplemental Cash Flow Information	'	'
Cash paid for taxes, net	-500	-273
Cash paid for interest, net	-180	-158
Noncash Investing and Financing Transactions	'	'
Assets acquired under capital lease arrangements	14	86
Accrued purchases of property and equipment	$5	$4

Consolidated_Statements_Of_Equ

Consolidated Statements Of Equity (USD $)	Total	Discovery Stockholders [Member]	Noncontrolling Interests [Member]
In Millions	Total	Discovery Stockholders [Member]	Noncontrolling Interests [Member]
Beginning balance at Dec. 31, 2012	$6,293	$6,291	$2
Comprehensive income attributable to Parent	790	790	'
Comprehensive income attributable to noncontrolling interests	1	'	1
Comprehensive income excluding portion attributable to redeemable noncontrolling interest	791	'	'
Equity-based compensation	48	48	0
Issuance of common stock for equity-based plans	43	43	0
Excess tax benefits from equity-based compensation	40	40	0
Tax settlements associated with equity-based compensation	-22	-22	0
Other adjustments for equity-based plans	0	0	0
Repurchases of stock	-969	-969	0
Stock dividends declared to preferred interests	0	0	0
Redeemable noncontrolling interest adjustments to redemption value	-1	-1	0
Noncontrolling interests of acquired businesses	2	0	2
Cash distributions to noncontrolling interests	0	0	0
Purchase of redeemable noncontrolling interests	0	0	0
Ending balance at Sep. 30, 2013	6,225	6,220	5
Beginning balance at Jun. 30, 2013	6,273	6,269	4
Comprehensive income attributable to Parent	359	359	'
Comprehensive income attributable to noncontrolling interests	1	'	1
Comprehensive income excluding portion attributable to redeemable noncontrolling interest	360	'	'
Equity-based compensation	14	14	0
Issuance of common stock for equity-based plans	12	12	0
Excess tax benefits from equity-based compensation	14	14	0
Other adjustments for equity-based plans	0	0	0
Repurchases of stock	-448	-448	0
Redeemable noncontrolling interest adjustments to redemption value	0	0	0
Cash distributions to noncontrolling interests	0	0	0
Purchase of redeemable noncontrolling interests	0	0	0
Ending balance at Sep. 30, 2013	6,225	6,220	5
Beginning balance at Dec. 31, 2013	6,197	6,196	1
Comprehensive income attributable to Parent	690	690	'
Comprehensive income attributable to noncontrolling interests	2	'	2
Comprehensive income excluding portion attributable to redeemable noncontrolling interest	692	'	'
Equity-based compensation	39	39	0
Issuance of common stock for equity-based plans	36	36	0
Excess tax benefits from equity-based compensation	30	30	0
Tax settlements associated with equity-based compensation	-27	-27	0
Other adjustments for equity-based plans	-2	-2	0
Repurchases of stock	-1,067	-1,067	0
Stock dividends declared to preferred interests	-1	-1	0
Redeemable noncontrolling interest adjustments to redemption value	-16	-16	0
Noncontrolling interests of acquired businesses	0	0	0
Cash distributions to noncontrolling interests	-1	0	-1
Purchase of redeemable noncontrolling interests	5	5	0
Ending balance at Sep. 30, 2014	5,885	5,883	2
Beginning balance at Jun. 30, 2014	6,034	6,031	3
Comprehensive income attributable to Parent	123	123	'
Comprehensive income attributable to noncontrolling interests	0	'	0
Comprehensive income excluding portion attributable to redeemable noncontrolling interest	123	'	'
Equity-based compensation	12	12	0
Issuance of common stock for equity-based plans	17	17	0
Excess tax benefits from equity-based compensation	9	9	0
Other adjustments for equity-based plans	-1	-1	0
Repurchases of stock	-298	-298	0
Redeemable noncontrolling interest adjustments to redemption value	-15	-15	0
Cash distributions to noncontrolling interests	-1	0	-1
Purchase of redeemable noncontrolling interests	5	5	0
Ending balance at Sep. 30, 2014	$5,885	$5,883	$2

Description_Of_Business_And_Ba

Description Of Business And Basis Of Presentation	9 Months Ended
Description Of Business And Basis Of Presentation	Sep. 30, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]	'
Description Of Business And Basis Of Presentation	'
	DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION
	Description of Business
	Discovery Communications, Inc. (“Discovery” or the “Company”) is a global media company that provides content across multiple distribution platforms, including television networks, digital distribution arrangements and a portfolio of web-native networks. The Company also develops and sells curriculum-based education products and services. The Company classifies its operations in three segments: U.S. Networks, consisting principally of domestic television networks and websites; International Networks, consisting principally of international television networks, radio stations and websites; and Education, consisting of educational curriculum-based product and service offerings. Financial information for Discovery’s reportable segments is discussed in Note 16.
	Basis of Presentation
	The consolidated financial statements include the accounts of Discovery and its majority-owned subsidiaries in which a controlling interest is maintained. Inter-company accounts and transactions between consolidated entities have been eliminated in consolidation.
	Reclassifications
	Transactions denominated in currencies other than subsidiaries' functional currencies are recorded based on exchange rates at the time such transactions arise. Changes in exchange rates with respect to amounts recorded in the consolidated balance sheets related to these items will result in unrealized foreign currency transaction gains and losses based upon period-end exchange rates. The Company also records realized foreign currency transaction gains and losses upon settlement of foreign currency transactions. Beginning January 1, 2014, the Company reclassified foreign currency gains (losses), net as described above from selling, general and administrative expense to other income, net on the consolidated statements of operations for all periods presented. For the three and nine months ended September 30, 2013, foreign currency gains of $11 million and $24 million, respectively, were reclassified from selling, general and administrative expense to other income, net to conform to the current year presentation.
	Stock Split Effected in the Form of a Share Dividend
	On May 16, 2014, Discovery's Board of Directors approved a stock split effected in the form of a share dividend (the "2014 Share Dividend") of one share of the Company's Series C common stock on each issued and outstanding share of Series A, Series B, and Series C common stock. The stock split did not change the number of treasury shares or the number of outstanding preferred shares but the conversion ratio on the preferred shares doubled (see Note 9). The 2014 Share Dividend resulted in a 2 for 1 stock split on August 6, 2014 to stockholders of record on July 28, 2014. All share and per share data for earnings per share and stock based compensation have been retroactively adjusted to give effect to the 2 for 1 split of the Company’s common stock. The impact on the consolidated balance sheet was an increase of $2 million to common stock and an offsetting reduction in additional paid-in capital, which has been recognized in the current period only.
	Unaudited Interim Financial Statements
	These consolidated financial statements are unaudited; however, in the opinion of management, they reflect all adjustments consisting only of normal recurring adjustments necessary to state fairly the financial position, results of operations and cash flows for the periods presented in conformity with U.S. generally accepted accounting principles (“GAAP”) applicable to interim periods. The results of operations for the interim periods presented are not necessarily indicative of results for the full year or future periods. These consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in Discovery’s Annual Report on Form 10-K for the year ended December 31, 2013 (the “2013 Form 10-K”).
	Use of Estimates
	The preparation of financial statements in accordance with GAAP requires management to make estimates, judgments and assumptions that affect the amounts and disclosures reported in the consolidated financial statements and accompanying notes. Management continually re-evaluates its estimates, judgments and assumptions, and management’s assessments could change. Actual results may differ materially from those estimates.
	Estimates inherent in the preparation of the consolidated financial statements include accounting for asset impairments, revenue recognition, allowances for doubtful accounts, content rights, depreciation and amortization, business combinations, equity-based compensation, income taxes, other financial instruments, contingencies, and the determination of whether the Company is the primary beneficiary of entities in which it holds variable interests.
	Accounting and Reporting Pronouncements Adopted
	Reporting Discontinued Operations
	In April 2014, the Financial Accounting Standards Board ("FASB") issued guidance that changes the criteria for reporting discontinued operations and requires additional disclosures about discontinued operations and disposals of components of an entity that do not qualify for discontinued operations reporting. Under the new pronouncement, disposal of a component of an entity representing a strategic shift with major effect on its operations and financial results is a discontinued operation. The Company prospectively adopted the new guidance effective July 1, 2014. The Company will assess future dispositions under the new guidance.
	Presentation of Unrecognized Tax Benefits
	In July 2013, the FASB issued guidance stating that a liability related to an unrecognized tax benefit should be presented as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carry forward to the extent such deferred tax asset is available at the reporting date to settle any additional income taxes that would result from the disallowance of a tax position. The Company prospectively adopted the new guidance effective January 1, 2014. Liabilities of $12 million related to unrecognized tax benefits are reducing deferred tax assets that are reflected in net noncurrent deferred income tax liabilities on the consolidated balance sheet as of September 30, 2014.
	Accounting and Reporting Pronouncements Not Yet Adopted
	Presentation of Financial Statements - Going Concern
	In August 2014, the FASB issued guidance requiring management to perform interim and annual assessments regarding conditions or events that raise substantial doubt about the Company's ability to continue as a going concern and to provide related disclosures, if applicable. The new standard will be effective for reporting periods beginning after December 15, 2016, with early adoption permitted. The adoption of this standard is not expected to have a material effect on the Company's consolidated financial statements.
	Revenue from Contracts with Customers
	In May 2014, the FASB issued an accounting pronouncement related to revenue recognition, which applies a single, comprehensive revenue recognition model for all contracts with customers. This standard contains principles with respect to the measurement of revenue and timing of recognition. The Company will recognize revenue to reflect the transfer of goods or services to customers at an amount that it expects to be entitled to receive in exchange for those goods or services. This pronouncement is effective for fiscal years, and interim periods within those years, beginning after December 15, 2016. Early adoption is not permitted. The Company is currently evaluating the impact that the pronouncement will have on the consolidated financial statements.
	Concentrations Risk
	Customers
	The Company has long-term contracts with distributors around the world, including the largest distributors in the U.S. and major international distributors. In the U.S., approximately 90% of distribution revenues come from the top 10 distributors. Outside of the U.S., approximately 50% of distribution revenue comes from the top 10 distributors. Agreements in place with the major cable and satellite operators in the U.S. expire at various times beginning in 2014 through 2020. Failure to secure a renewal or a renewal on less favorable terms may have a material adverse effect on the Company’s financial condition and results of operations. Not only could the Company experience a reduction in distribution revenue, but it could also experience a reduction in advertising revenue, which is impacted by affiliate subscriber levels and viewership.
	No individual customer accounted for more than 10% of total consolidated revenues for the three and nine months ended September 30, 2014 or 2013. As of September 30, 2014 and December 31, 2013, the Company’s trade receivables do not represent a significant concentration of credit risk as the customers and markets in which the Company operates are varied and dispersed across many geographic areas.
	Financial Institutions
	Cash and cash equivalents are maintained with several financial institutions. The Company has deposits held with banks that exceed the amount of insurance provided on such deposits. Generally, these deposits may be redeemed upon demand and are maintained with financial institutions of reputable credit and, therefore, bear minimal credit risk.
	Lender Counterparties
	There is a risk that the counterparties associated with the Company’s revolving credit facility will not be available to fund as obligated under the terms of the facility. If funding under the revolving credit facility is unavailable, the Company may have to acquire a replacement credit facility from different counterparties at a higher cost or may be unable to find a suitable replacement and may have limited or no access to the commercial paper market. Typically, the Company seeks to manage these exposures by contracting with experienced large financial institutions and monitoring the credit quality of its lenders. As of September 30, 2014, the Company did not anticipate nonperformance by any of its counterparties.

Acquisitions_And_Dispositions

Acquisitions And Dispositions	9 Months Ended
Acquisitions And Dispositions	Sep. 30, 2014
Business Combinations [Abstract]	'
Acquisitions And Dispositions	'
	ACQUISITIONS AND DISPOSITIONS
	Acquisitions
	Hub Television Networks LLC
	On September 23, 2014, the Company acquired an additional 10% ownership interest in the Hub Network from Hasbro, Inc. ("Hasbro") for $64 million. The Hub Network is a pay television network that provides children's and family entertainment and educational programming. The purchase increased the Company's ownership interest from 50% to 60%. As a result, the Company changed its accounting for the Hub Network from an equity method investment to a consolidated subsidiary (see Note 3). The acquisition of the Hub Network supports the Company's strategic priority of broadening the scope of the network to increase viewership, and the network was rebranded as the Discovery Family Channel on October 13, 2014.
	The Company used discounted cash flow ("DCF") analyses, which represent Level 3 fair value measurements, to preliminarily assess certain components of its purchase price allocation. The table below presents the fair value of the assets acquired, liabilities assumed and noncontrolling interest as presented in the table below (in millions).


			23-Sep-14
	Goodwill		$	309
	Goodwill		$	309
	Intangible assets		301
	Intangible assets		301
	Other assets acquired		97
	Other assets acquired		97
	Cash		33
	Cash		33
	Liabilities assumed		(125		)
	Redeemable noncontrolling interest		(238		)
	Carrying value of previously held equity interest		(313		)
	Net assets acquired		$	64
	Net assets acquired		$	64
	There was no gain or loss recorded at the time of acquisition as the fair value was equal to the carrying amount of the Company's previously held equity interest in the Hub Network as of the acquisition date.
	Hasbro has the right to put the entirety of its remaining 40% non-controlling interest to the Company for one year after December 31, 2021. As Hasbro's put right is outside the control of the Company, Hasbro's 40% noncontrolling interest is presented as redeemable noncontrolling interest outside of permanent equity on the Company's consolidated balance sheet (see Note 8). Embedded in the redeemable noncontrolling interest is the value of a Discovery call right exercisable for one year after December 31, 2021. Upon the exercise of the put or call options, the price to be paid for the interest being purchased is generally a function of the then fair market value of the interest, to which certain discounts and floor values may apply in specified situations, depending upon the party exercising the put or call, the basis for the exercise of the put or call, and the determined fair market value of the network at the time of exercise.
	The goodwill reflects the workforce and synergies expected from combining the operations of the Hub Network and the Company's existing U.S. Networks. The goodwill recorded as part of this acquisition will be assigned to the U.S. Networks reporting unit. It is not amortizable for tax purposes. Intangible assets primarily consist of distribution customer relationships with an estimated useful life of 30 years and a weighted-average contractual renewal period of 3 years. The purchase price allocation presented above is preliminary as the Company is currently in the process of completing fair value estimates for intangible assets and income taxes.
	Eurosport
	On May 30, 2014, the Company acquired from TF1 a controlling interest in and began consolidating Eurosport International ("Eurosport"), a leading pan-European sports media platform, by increasing Discovery’s ownership stake from 20% to 51% for cash of approximately €257 million ($349 million) and recognized a gain of $29 million to account for the difference between the carrying value and the fair value of the previously held 20% equity interest. The gain is included in other income, net in the Company's consolidated statements of operations (see Note 13). Due to regulatory constraints, the acquisition initially excludes Eurosport France, formerly a subsidiary of Eurosport. The Company will retain a 20% equity interest in Eurosport France and has a conditional commitment to acquire another 31% ownership interest beginning in 2015 for approximately €35 million ($48 million), contingent upon resolution of all regulatory matters. The flagship Eurosport network focuses on regionally popular sports, such as tennis, skiing, cycling and motor sports. Eurosport’s brands and platforms also include Eurosport HD (high definition simulcast), Eurosport 2, Eurosport 2 HD (high definition simulcast), Eurosport Asia-Pacific, and Eurosportnews. The acquisition is intended to increase the growth of Eurosport and enhance the Company's pay television offerings in Europe.
	The Company used DCF analyses, which represent Level 3 fair value measurements, to preliminarily assess certain components of its purchase price allocation. The fair value of the assets acquired, liabilities assumed and noncontrolling interest acquired and calculation of the remeasurement gain on previously held equity interest is presented in the table below (in millions).


			May 30, 2014
	Goodwill		$	775
	Goodwill		$	775
	Intangible assets		467
	Intangible assets		467
	Other assets acquired		165
	Other assets acquired		165
	Cash		47
	Cash		47
	Removal of TF1 put right		27
	Removal of TF1 put right		27
	Currency translation adjustment		7
	Currency translation adjustment		7
	Remeasurement gain on previously held equity interest		(29		)
	Liabilities assumed		(154		)
	Deferred tax liabilities		(167		)
	Redeemable noncontrolling interest		(558		)
	Carrying value of previously held equity interest		(231		)
	Net assets acquired		$	349
	Net assets acquired		$	349
	TF1 has the right to put the entirety of its remaining 49% non-controlling interest to the Company during two 90-day windows in the two and a half years after May 30, 2014. If the put right is exercised during the first 90-day window beginning July 1, 2015, it has a floor value equal to the fair value per share of Eurosport on May 30, 2014. If the put right is exercised during the second 90-day window beginning July 1, 2016, it will be priced at the then-current fair value per share of Eurosport, or as may be agreed between the Company and TF1. As TF1's put right is outside the control of the Company, TF1's 49% noncontrolling interest is presented as redeemable noncontrolling interest outside of permanent equity on the Company's consolidated balance sheet (see Note 8).
	The goodwill reflects the workforce, synergies and increased pan-European market penetration expected from combining the operations of Eurosport and the Company as a component of the Company's international networks segment. The Company continues to evaluate the reporting unit determination for this acquisition. The goodwill recorded as part of this acquisition is not amortizable for tax purposes. Intangible assets primarily consist of distribution and advertising customer relationships, advertiser backlog and trademarks with a weighted average estimated useful life of 10 years. The purchase price allocation presented above is preliminary as the Company is currently in the process of completing fair value estimates for intangible assets, certain liabilities and income taxes.
	SBS Nordic
	On April 9, 2013, the Company acquired the general entertainment television and radio business operations ("SBS Nordic") of Prosiebensat.1 Media AG for cash of approximately €1.4 billion ($1.8 billion) including closing purchase price adjustments. SBS Nordic has operations in Sweden, Norway, Denmark, Finland and England. The acquisition of SBS Nordic supports the Company’s strategic priority of increasing its presence in key international markets and is a component of the Company's International Networks segment.
	The Company used DCF analyses, which represent Level 3 fair value measurements, to assess the components of its purchase price allocation. The table below presents the fair value allocation of the purchase price to the assets and liabilities acquired (in millions).


			9-Apr-13
	Goodwill		$	779
	Goodwill		$	779
	Intangible assets		1,001
	Intangible assets		1,001
	Content		248
	Content		248
Other assets acquired		212
Other assets acquired		212
Cash		106
Cash		106
Liabilities assumed		(278		)
Deferred tax liabilities		(243		)
Redeemable noncontrolling interest		(6		)
Net assets acquired		$	1,819
Net assets acquired		$	1,819
The goodwill reflects the workforce, synergies and increased Nordic region market penetration expected from combining the operations of SBS Nordic and the Company. The goodwill recorded as part of this acquisition is not amortizable for tax purposes. Intangible assets primarily consist of broadcast licenses, distribution and advertising customer relationships, advertiser backlog and trademarks with a weighted average estimated useful life of 8 years.
Discovery Japan
On January 10, 2013, the Company purchased an additional 30% of Discovery Japan for $53 million. Discovery Japan operates Discovery Channel and Animal Planet in Japan. As of December 31, 2012, Discovery and Jupiter Telecommunications Co., Ltd ("J:COM") each owned a 50% interest in Discovery Japan, and Discovery accounted for its 50% interest using the equity method of accounting. Discovery consolidated Discovery Japan on January 10, 2013 and recognized a gain of $92 million to account for the difference between the carrying value and the fair value of the previously held 50% equity interest. The gain is included in other income, net in the Company's consolidated statements of operations (see Note 13).
The Company used a combination of a DCF analysis and market-based valuation methodologies, which represent Level 3 fair value measurements, to measure the fair value of Discovery Japan and to perform its purchase price allocation. The table below presents the allocation of the purchase price to the assets and liabilities acquired and calculation of a remeasurement gain on previously held equity interest (in millions).


		10-Jan-13
Goodwill		$	103
Goodwill		$	103
Intangible assets		100
Intangible assets		100
Other assets acquired		25
Other assets acquired		25
Currency translation adjustment		6
Currency translation adjustment		6
Cash		4
Cash		4
Remeasurement gain on previously held equity interest		(92		)
Liabilities assumed		(55		)
Redeemable noncontrolling interest		(35		)
Carrying value of previously held equity interest		(3		)
Net assets acquired		$	53
Net assets acquired		$	53
The terms of the agreement provide J:COM with a right to put its 20% noncontrolling interest to Discovery for cash at any time and Discovery with the right to call J:COM's 20% noncontrolling interest beginning in January 2018. As J:COM's put right is outside the control of the Company, J:COM's 20% noncontrolling interest is presented as redeemable noncontrolling interest outside of permanent equity on the Company's consolidated balance sheet (see Note 8).
The goodwill reflects the synergies and increased regional flexibility expected from controlling the operations of Discovery Japan and is included in the International Networks segment. The goodwill recorded as part of this acquisition is not amortizable for tax purposes. Intangible assets are primarily distribution customer relationships.
Other
In 2014, the Company acquired other unrelated businesses for total consideration of $40 million, net of cash acquired. The Company recorded $34 million and $10 million of goodwill and intangible assets, respectively, in connection with these acquisitions. The acquisitions included a factual entertainment production company in the U.K. and cable networks in New Zealand. The goodwill reflects the synergies and market expansion from combining the operations of these acquisitions with the Company.
In 2013, the Company acquired several other unrelated businesses for total consideration of $88 million, net of cash acquired. The Company recorded $67 million and $24 million of goodwill and intangible assets, respectively, in connection with these acquisitions. The acquisitions included a television station in Sweden and an education business in the U.K. The goodwill reflects the synergies and market expansion expected from combining the operations of these acquisitions with the Company.
Consolidation of Business Combinations
The operations of each of the business combinations discussed above were included in the consolidated financial statements as of the respective acquisition dates. The following table presents the revenue and earnings of the businesses acquired as reported within the consolidated financial statements for the three and nine months ended September 30, 2014 and 2013 (in millions).


		Three Months Ended September 30,						Nine Months Ended September 30,
		2014				2013		2014		2013
Revenues:
Distribution		$	146			$	59	$	294	$	127
Distribution		$	146			$	59	$	294	$	127
Advertising		162				126		499		266
Advertising		162				126		499		266
Other		45				4		78		9
Other		45				4		78		9
Total revenues		$	353			$	189	$	871	$	402
Total revenues		$	353			$	189	$	871	$	402
Net income		$	12			$	12	$	42	$	37
Net income		$	12			$	12	$	42	$	37
Pro Forma Financial Information
The following table presents the unaudited pro forma results of the Company as though all of the 2013 and 2014 business combinations discussed above had been made on January 1, 2013 (in millions). These pro forma results do not necessarily represent what would have occurred if all the business combinations above had taken place on January 1, 2013, nor do they represent the results that may occur in the future. This pro forma financial information includes the historical financial statement amounts of Discovery and its business combinations with the following adjustments: the Company converted the historical financial statements of its acquirees to GAAP, applied the Company's accounting policies, and the Company adjusted for amortization expense assuming the fair value adjustments to intangible assets had been applied beginning January 1, 2013 including the $29 million gain recognized upon the consolidation of Eurosport. The pro forma adjustments were based on available information and upon assumptions that the Company believes are reasonable to reflect the impact of these acquisitions on the Company's historical financial information on a supplemental pro forma basis.


		Pro forma						Pro forma
		Three Months Ended September 30,						Nine Months Ended September 30,
		2014				2013		2014		2013
Revenue		$	1,590			$	1,560	$	4,883	$	4,709
Revenue		$	1,590			$	1,560	$	4,883	$	4,709
Net income		$	298			$	264	$	916	$	797
Net income		$	298			$	264	$	916	$	797
Equity Method Investment
On September 23, 2014, the Company acquired 50% equity ownership interest in All3Media, a production company, for a cash payment of approximately £90 million ($147 million).
Dispositions
HSW
On May 30, 2014, Discovery sold HowStuffWorks, LLC, a commercial website which uses various media to explain complex concepts, terminology and mechanisms, to Blucora, Inc. (“Blucora”). Blucora paid Discovery $45 million, and Discovery recorded a pretax gain of $31 million upon completion of the sale. HowStuffWorks, LLC was part of the U.S. Networks operating segment.
Petfinder
On July 15, 2013, the Company sold the domain name and business operations of the Petfinder.com website ("Petfinder"). The sale of Petfinder resulted in a $19 million pretax gain which has been reflected in gain on disposition in the consolidated statements of operations.

Variable_Interest_Entities

Variable Interest Entities	9 Months Ended
Variable Interest Entities	Sep. 30, 2014
Equity Method Investments and Joint Ventures [Abstract]	'
Variable Interest Entity Disclosure [Text Block]	'
	VARIABLE INTEREST ENTITIES
	In the normal course of business, the Company makes investments that support its underlying business strategy and enable it to enter new markets and develop programming. In certain instances, an investment may qualify as a variable interest entity (“VIE”). As of September 30, 2014, the Company’s VIEs primarily consisted of OWN LLC. As of December 31, 2013, the Company’s VIEs primarily consisted of Hub Television Networks LLC and OWN LLC. Both OWN LLC and the Hub Television Networks LLC operate pay television networks in the U.S.
	The Company accounted for its interests in VIEs using the equity method, as the Company is not the primary beneficiary of these entities. The aggregate carrying values of these VIE equity method investments were $457 million and $789 million as of September 30, 2014 and December 31, 2013, respectively. The Company recognized $13 million and $37 million in income during the three and nine months ended September 30, 2014, respectively, and zero and $13 million in losses during the three and nine months ended September 30, 2013, respectively, for its portion of net income and losses generated by VIEs.
	As of September 30, 2014, the Company’s estimated risk of loss for investment carrying values, unfunded contractual commitments and guarantees made on behalf of VIEs was approximately $488 million. The estimated risk of loss excludes the Company’s expected non-contractual future funding of OWN, which is discussed below.
	OWN LLC
	OWN LLC operates OWN, which is a pay television network and website that provides adult lifestyle content, which is focused on self-discovery, self-improvement and entertainment. Since the initial equity was not sufficient to fund OWN's activities without additional subordinated financial support in the form of a note receivable held by the Company, OWN is a VIE. While the Company and Harpo, Inc. ("Harpo") are partners who share equally in voting control, power is not shared because Harpo holds operational rights related to programming and marketing, as well as selection and retention of key management personnel that significantly impact OWN’s economic performance. Accordingly, the Company has determined that it is not the primary beneficiary of OWN and accounts for its investment in OWN using the equity method. However, the Company provides OWN funding, content licenses, and services, such as distribution, sales and administrative support, for a fee (see Note 14).
	The Company's combined advances to and note receivable from OWN, including accrued interest, were $452 million and $483 million as of September 30, 2014 and December 31, 2013, respectively. During the nine months ended September 30, 2014, the Company received net repayments of $56 million from OWN and accrued interest on the note receivable of $25 million. During the nine months ended September 30, 2013, the Company received net repayments of $11 million from OWN and accrued interest on the note receivable of $27 million. The note receivable is secured by the net assets of OWN. While the Company has no further funding commitments, the Company will provide additional funding to OWN, if necessary, and expects to recoup amounts funded. The funding to OWN accrues interest at 7.5% compounded annually. There can be no event of default on the borrowing until 2023. However, borrowings are scheduled for repayment four years after the borrowing date to the extent that OWN has excess cash to repay the borrowings then due. Following such repayment, OWN’s subsequent cash distributions will be shared equally between the Company and Harpo. OWN began repaying amounts owed to the Company during 2013.
	In accordance with the venture agreement, losses generated by OWN are generally allocated to both investors based on their proportionate ownership interests. However, the Company has recorded its portion of OWN’s losses based upon accounting policies for equity method investments. Prior to the contribution of the Discovery Health network to OWN at its launch, the Company had recognized $104 million or 100% of OWN’s net losses. During the three months ended March 31, 2012, accumulated operating losses at OWN exceeded the equity contributed to OWN, and Discovery began again to record 100% of OWN’s net losses. Although OWN has become profitable, the Company will record 100% of any net losses resulting from OWN's operations as long as Discovery has provided all funding to OWN and OWN’s accumulated losses continue to exceed the equity contributed. All of OWN's future net income will initially be recorded by the Company until the Company recovers losses absorbed in excess of the Company's equity ownership interest.
	The carrying value of the Company’s investment in OWN of $420 million and $449 million as of September 30, 2014 and December 31, 2013, respectively, includes the Company's note receivable and accumulated investment losses. There is a possibility that the results of OWN’s future operations will fall below the long-term projections. The Company monitors the financial results of OWN along with other relevant business information to assess the recoverability of the OWN note receivable. No impairment was recorded during the nine months ended September 30, 2014.
	Harpo has the right to require the Company to purchase all or part of Harpo’s interest in OWN at fair market value up to a maximum put amount every two and a half years commencing January 1, 2016. The maximum put amount ranges from $100 million on the first put exercise date up to a cumulative cap of $400 million on the fourth put exercise date. The Company has not recorded amounts for the put right because the fair value of this put right was zero as of September 30, 2014 and December 31, 2013.
	Hub Television Networks LLC
	Prior to September 23, 2014, the Hub Network was a VIE because the the initial equity was not sufficient to fund the Hub Network's activities without additional subordinated financial support in the form of a funding commitment. Discovery and Hasbro shared equally in voting control and jointly consented to decisions about programming and marketing strategy and thereby jointly directed the activities of the Hub Network that most significantly impacted its economic performance. Accordingly, the Company determined that it was not the primary beneficiary of the Hub Network and accounted for its investment in the Hub Network using the equity method.
	On September 23, 2014, the Company acquired 10% of Hasbro’s ownership in the Hub Network for $64 million. This was a reconsideration event, requiring a reassessment of the Hub Network as a VIE. As of the reconsideration date, the Hub Network is not expected to require additional subordinated financial support to fund its ongoing activities. Accordingly, the Hub Network is no longer considered to be a VIE. Since the transaction provided Discovery with control over the voting rights and operating activities of the Hub Network, the Company consolidated the Hub Network as of the acquisition date (see Note 2).

Fair_Value_Measurements

Fair Value Measurements	9 Months Ended
	Sep. 30, 2014
Fair Value Disclosures [Abstract]	'
Fair Value Measurements	'
	FAIR VALUE MEASUREMENTS
	Fair value is defined as the amount that would be received for selling an asset or paid to transfer a liability in an orderly transaction between market participants. Assets and liabilities carried at fair value are classified in the following three categories:


	Level 1	–	Quoted prices for identical instruments in active markets.
	Level 2	–	Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets.
	Level 3	–	Valuations derived from techniques in which one or more significant inputs are unobservable.
	The tables below present assets and liabilities measured at fair value on a recurring basis (in millions).


				September 30, 2014
	Category		Balance Sheet Location	Level 1		Level 2		Level 3		Total
	Assets:
	Trading securities:
	Mutual funds		Prepaid expenses and other current assets	$	142	$	—	$	—	$	142

	Derivatives:
	Foreign exchange		Prepaid expenses and other current assets	—		9		—		9

	Foreign exchange		Other noncurrent assets	—		7		—		7

	Total			$	142	$	16	$	—	$	158

	Liabilities:
	Deferred compensation plan		Accrued liabilities	$	142	$	—	$	—	$	142

	Derivatives:
	Foreign exchange		Accrued liabilities	—		1		—		1

	Interest rate		Accrued liabilities	—		10		—		10

	TF1 put right		Accrued liabilities	—		—		4		4

	Total			$	142	$	11	$	4	$	157



				December 31, 2013
	Category		Balance Sheet Location	Level 1		Level 2		Level 3		Total
	Assets:
	Trading securities:
	Mutual funds		Prepaid expenses and other current assets	$	129	$	—	$	—	$	129

	Available-for-sale securities:
	Common stock		Other noncurrent assets	4		—		—		4

	Derivatives:
	Foreign exchange		Prepaid expenses and other current assets	—		4		—		4

	Foreign exchange		Other noncurrent assets	—		9		—		9

	Total			$	133	$	13	$	—	$	146

	Liabilities:
	Deferred compensation plan		Accrued liabilities	$	129	$	—	$	—	$	129

	Derivatives:
	Foreign exchange		Accrued liabilities	—		1		—		1

	TF1 put right		Accrued liabilities	—		—		20		20

	Total			$	129	$	1	$	20	$	150

Trading securities are comprised of investments in mutual funds held in a separate trust which are owned as part of the Company’s deferred compensation plan. The fair value of Level 1 trading securities was determined by reference to the quoted market price per unit in active markets multiplied by the number of units held without consideration of transaction costs. The fair value of the related deferred compensation plan liability was determined based on the fair value of the related investments elected by employees.
Available-for-sale securities represent equity investments in highly liquid instruments. The fair value of Level 1 available-for-sale securities was determined by reference to the quoted market price per unit in active markets multiplied by the number of units held without consideration of transaction costs.
Derivative financial instruments are comprised of foreign exchange and interest rate contracts used by the Company to modify its exposure to market risks from foreign exchange rates and interest rates. The fair value of Level 2 derivative financial instruments was determined using a market-based approach.
As of September 30, 2014, TF1 had the conditional right to require the Company to purchase its remaining shares in Eurosport France at various dates should Discovery complete its planned acquisition of a controlling interest in Eurosport France. Previously, TF1 had the conditional right to require the Company to purchase its remaining shares in Eurosport, inclusive of Eurosport France. Following the consolidation of Eurosport, excluding Eurosport France, TF1 retained a conditional right to require Discovery to purchase its remaining shares in Eurosport and a right to put a portion of its interest in Eurosport France to Discovery. The option on Eurosport, the value of which is embedded in the noncontrolling interest, has resulted in the classification of the noncontrolling interest in Eurosport as a component of redeemable equity (see Note 8). The separate written put for Eurosport France does not qualify for equity classification and is reported at fair value and subsequently marked to fair value through earnings regardless of associated contingencies. The fair value measurement as of September 30, 2014 of the TF1 put on Eurosport France of $4 million was determined through the use of a Monte Carlo simulation model. The Monte Carlo model simulates the various sources of uncertainty impacting the value of a financial instrument and uses those simulations to develop an estimated fair value for the instrument. The valuation methodology for the TF1 put for Eurosport France is based on unobservable estimates and judgments, and therefore represents a Level 3 fair value measurement. (See Note 2.)
In addition to the financial instruments listed in the tables above, the Company holds other financial instruments, including cash deposits, accounts receivable, accounts payable, commercial paper, borrowings under the revolving credit facility, capital leases and senior notes. The carrying values for such financial instruments, other than borrowings under the revolving credit facility and the senior notes, each approximated their fair values. The estimated fair value of the Company’s outstanding borrowings under the revolving credit facility and senior notes using quoted prices from over the counter markets, considered Level 2 inputs, was $7.4 billion and $6.6 billion as of September 30, 2014 and December 31, 2013, respectively.

Content_Rights

Content Rights	9 Months Ended
	Sep. 30, 2014
Content Rights [Abstract]	'
Content Rights	'
	CONTENT RIGHTS
	The table below presents the components of content rights (in millions).


		September 30, 2014			December 31, 2013
	Produced content rights:
	Completed	$	3,509		$	3,566

	In-production	398			334

	Coproduced content rights:
	Completed	671			637

	In-production	89			84

	Licensed content rights:
	Acquired	1,054			880

	Prepaid	101			48

	Content rights, at cost	5,822			5,549

	Accumulated amortization	(3,415		)	(3,389		)
	Total content rights, net	2,407			2,160

	Current portion	(379		)	(277		)
	Noncurrent portion	$	2,028		$	1,883

	Content expense, which consists of content amortization, impairments and other production charges, is included in costs of revenues on the consolidated statements of operations.
	Content expense consisted of the following (in millions).


		Three months ended September 30,						Nine months ended September 30,
		2014			2013			2014		2013
	Content amortization	$	372		$	301		$	1,061	$	831

	Other production charges	41			24			108		71

	Content impairments	6			7			22		19

	Total content expense	$	419		$	332		$	1,191	$	921

Debt

Debt	9 Months Ended
	Sep. 30, 2014
Debt Disclosure [Abstract]	'
Debt	'
	DEBT
	The table below presents the components of outstanding debt (in millions).


		September 30, 2014			December 31, 2013
	3.70% Senior Notes, semi-annual interest, due June 2015	$	850		$	850

	5.625% Senior Notes, semi-annual interest, due August 2019	500			500

	5.05% Senior Notes, semi-annual interest, due June 2020	1,300			1,300

	4.375% Senior Notes, semi-annual interest, due June 2021	650			650

	2.375% Senior Notes, euro denominated, annual interest, due March 2022	380			—

	3.30% Senior Notes, semi-annual interest, due May 2022	500			500

	3.25% Senior Notes, semi-annual interest, due April 2023	350			350

	6.35% Senior Notes, semi-annual interest, due June 2040	850			850

	4.95% Senior Notes, semi-annual interest, due May 2042	500			500

	4.875% Senior Notes, semi-annual interest, due April 2043	850			850

	Revolving credit facility	145			—

	Capital lease obligations	163			165

	Commercial paper	126			—

	Total debt	7,164			6,515

	Unamortized discount	(16		)	(16		)
	Debt, net	7,148			6,499

	Current portion of debt	(995		)	(17		)
	Noncurrent portion of debt	$	6,153		$	6,482

	Senior Notes
	On March 7, 2014, Discovery Communications, LLC ("DCL"), a wholly-owned subsidiary of the Company, issued €300 million principal amount ($417 million, at issuance based on the exchange rate of $1.39 per euro at March 7, 2014) of 2.375% Senior Notes due March 7, 2022 (the "2014 Notes"). The proceeds received by DCL from the offering were net of a $3 million issuance discount and $2 million of deferred financing costs. The current balance reflects changes in exchange rates; there have been no other changes to the balance.
	DCL has the option to redeem some or all of the 2014 Notes at any time prior to their maturity by paying a make-whole premium plus accrued and unpaid interest, if any, through the date of repurchase. Interest on the 2014 Notes is payable annually on March 7 of each year. The 2014 Notes are unsecured and rank equally in right of payment with all of DCL's other unsecured senior indebtedness. All of DCL's outstanding senior notes are fully and unconditionally guaranteed on an unsecured and unsubordinated basis by Discovery and contain certain nonfinancial covenants, events of default and other customary provisions. The Company and DCL were in compliance with all covenants and customary provisions under the Senior Notes, and there were no events of default as of September 30, 2014.
	The 2014 Notes are denominated in euro and expose Discovery to fluctuations in foreign exchange rates in that currency. Discovery has reported the change in remeasurement for these 2014 Notes as a component of other income, net in the consolidated statements of operations.
	Revolving Credit Facilities
	On June 20, 2014, DCL revised its $1.0 billion revolving credit facility to allow DCL and certain designated foreign subsidiaries of DCL to borrow up to $1.5 billion, including a $750 million sublimit for multi-currency borrowings, a $100 million sublimit for the issuance of standby letters of credit and a $50 million sublimit for swing line loans. Borrowing capacity under this agreement is reduced by the outstanding borrowings under the commercial paper program discussed below. DCL also has the ability to request an increase of the revolving credit facility up to an aggregate additional $1.0 billion, upon the satisfaction of certain conditions. The revolving credit facility agreement provides for a maturity date of June 20, 2019. The Company had outstanding borrowings of $145 million under the revolving credit facility as of September 30, 2014 at an effective interest rate of 1.25%. There were no amounts borrowed under the revolving credit facility as of December 31, 2013. The interest rate on borrowings under the revolving credit facility is variable based on DCL's then-current credit ratings. For dollar-denominated borrowings, the interest rate is based, at the Company's option, on adjusted LIBOR, plus a margin, or an alternate base rate, plus a margin. The current margins are 1.10% and 0.10%, respectively, per annum for adjusted LIBOR and alternate base rate borrowings. A monthly facility fee is charged based on the total capacity of the facility, and interest is charged based on the amount borrowed on the facility. The current facility fee rate is 0.15% per annum and subject to change based on DCL's then-current credit ratings. All obligations of DCL and the other borrowers under the revolving credit facility are unsecured and are fully and unconditionally guaranteed by Discovery.
	The credit agreement governing the revolving credit facility contains customary representations, warranties and events of default, as well as affirmative and negative covenants. As of September 30, 2014, the Company, DCL and the other borrowers were in compliance with all covenants, and there were no events of default under the revolving credit facility.
	Commercial Paper
	On May 22, 2014, the Company entered into a commercial paper program. The commercial paper issued under this program is supported by the revolving credit facility described above. Outstanding commercial paper borrowings were $126 million as of September 30, 2014 and had a weighted average interest rate of approximately 0.3% and maturities of less than 90 days.

Derivative_Financial_Instrumen

Derivative Financial Instruments	9 Months Ended
	Sep. 30, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'
Derivative Instruments and Hedging Activities Disclosure [Text Block]	'
	DERIVATIVE FINANCIAL INSTRUMENTS
	The Company may use derivative financial instruments to modify its exposure to market risks from changes in foreign exchange rates and interest rates. The Company does not enter into or hold derivative financial instruments for speculative trading purposes.
	During the nine months ended September 30, 2014 and 2013, the Company designated foreign currency forward contracts to hedge anticipated third-party revenue and exposures arising from inter-company licensing agreements as cash flow hedges. The Company also designated interest rate contracts used to hedge the pricing for certain senior notes as cash flow hedges. Gains and losses on the effective portion of designated cash flow hedges are initially recorded in accumulated other comprehensive (loss) income on the consolidated balance sheet and reclassified to the statements of operations when the hedged item is recognized.
	During the nine months ended September 30, 2013, the Company acquired foreign currency forward contracts in its business combinations that did not qualify for hedge accounting. During the nine months ended September 30, 2013, the Company entered into foreign exchange contracts in connection with the planned acquisition of SBS Nordic (see Note 2). These derivatives, which economically hedged the Company's exposure to fluctuations in certain foreign currency exchange rates, did not qualify for hedge accounting. There were no unsettled foreign exchange contracts held by the Company in connection with potential business combinations as of September 30, 2014 and December 31, 2013. Realized and unrealized gains and losses on foreign currency forward contracts that do not qualify for hedge accounting are reflected in other income, net on the consolidated statements of operations.
	As of December 31, 2013, TF1 had the conditional right to require the Company to purchase its remaining shares in Eurosport. On May 30, 2014, the Company acquired a controlling interest in Eurosport, excluding Eurosport France, and the put right applicable to the acquired business became a component of redeemable equity recorded at fair value on the consolidated balance sheet as of September 30, 2014 (see Note 8). The value of the written put for Eurosport France is not included in noncontrolling interest and does not qualify for equity classification. It is a free-standing financial instrument reported as a fair value liability and subsequently marked to fair value through earnings regardless of associated contingencies (see Note 4).
	The Company records all unsettled derivative contracts on the consolidated balance sheet at fair value (see Note 4); derivatives in an asset position are classified as assets, and derivatives in a liability position are classified as liabilities. The Company's master netting agreements allow the Company to settle derivative contracts denominated in the same currency with a single counterparty on the same day on a net basis. There were no amounts eligible to be offset under master netting agreements as of September 30, 2014 and December 31, 2013.
	The following table summarizes the notional amount and fair value of the Company's derivative positions (in millions).


				September 30, 2014								December 31, 2013
		Balance Sheet Location		Notional				Fair Value				Notional				Fair Value
	Derivatives designated as hedges:
	Foreign exchange	Prepaid expenses and other current assets		$	247			$	9			$	16			$	4

	Foreign exchange	Other noncurrent assets		$	98			$	7			$	36			$	9

	Foreign exchange	Accrued liabilities		$	41			$	1			$	—			$	—

	Interest rate	Accrued liabilities		$	425			$	10			$	—			$	—

	Derivatives not designated as hedges:
	Foreign exchange	Prepaid expenses and other current assets		$	4			$	—			$	—			$	—

	Foreign exchange	Accrued liabilities		$	3			$	—			$	4			$	1

	Foreign exchange	Other noncurrent liabilities		$	—			$	—			$	3			$	—

	TF1 put right	Accrued liabilities		$	76			$	4			$	574			$	20

	The following table presents the pretax impact of derivatives designated as cash flow hedges on income and other comprehensive (loss) income (in millions).


		Three Months Ended September 30,								Nine Months Ended September 30,
		2014				2013				2014				2013
	Gains (losses) recognized in accumulated other comprehensive (loss) income
	Foreign exchange	$	7			$	(1	)		$	3			$	5

	Interest rate	$	(3	)		$	—			$	(10	)		$	—

	(Losses) gains reclassified into income from accumulated other comprehensive (loss) income (effective portion)
	Foreign exchange - distribution revenue	$	(1	)		$	—			$	(2	)		$	—

	Foreign exchange - other income, net	$	1			$	1			$	2			$	1

	The following table presents the pretax gains (losses) on derivatives not designated as hedges and the TF1 put recognized in other income, net in the consolidated statements of operations (in millions).


		Three Months Ended September 30,								Nine Months Ended September 30,
		2014				2013				2014				2013
	Foreign exchange derivatives	$	1			$	—			$	1			$	(56	)

	TF1 put right	—				—				(7		)		—

	Total	$	1			$	—			$	(6	)		$	(56	)

Redeemable_Noncontrolling_Inte

Redeemable Noncontrolling Interests	9 Months Ended
	Sep. 30, 2014
Noncontrolling Interest [Abstract]	'
Redeemable Noncontrolling Interests Disclosure [Text Block]	'
	REDEEMABLE NONCONTROLLING INTERESTS
	In connection with the acquisition of a controlling interest in the Hub Network on September 23, 2014, the Company recognized $238 million for Hasbro's noncontrolling interest in the Hub Network. Hasbro has the right to put the entirety of its remaining 40% non-controlling interest to the Company for one year after December 31, 2021. Embedded in the redeemable noncontrolling interest is a Discovery call right exercisable for one year after December 31, 2021. Upon the exercise of the put or call options, the price to be paid for the interest being purchased is generally a function of the then fair market value of the interest, to which certain discounts and floor values may apply in specified situations depending upon the party exercising the put or call, the basis for the exercise of the put or call, and the determined fair market value of the network at the time of exercise. As Hasbro's put right is outside the control of the Company, Hasbro's 40% noncontrolling interest is presented as redeemable noncontrolling interest outside of permanent equity on the Company's consolidated balance sheet (see Note 2).
	In connection with the acquisition of a controlling interest in Eurosport on May 30, 2014, the Company recognized $558 million for TF1's noncontrolling interest in Eurosport. TF1 has the right to put the entirety of its remaining 49% non-controlling interest to the Company during two 90-day windows in the two and a half years after May 30, 2014. If the put right is exercised during the first 90-day window beginning July 1, 2015, it has a floor value equal to the fair value per share of Eurosport on May 30, 2014. If the put right is exercised during the second 90-day window beginning July 1, 2016, it will be priced at the then-current fair value per share of Eurosport, or as may be agreed between the Company and TF1. As TF1's put right is outside the control of the Company, TF1's 49% noncontrolling interest is presented as redeemable noncontrolling interest outside of permanent equity on the Company's consolidated balance sheet. (See Note 2.)
	In connection with the acquisition of SBS Nordic on April 9, 2013, the Company recognized $6 million for the fair value of a noncontrolling interest in one of its Danish subsidiaries (see Note 2). The noncontrolling interest holder had a conditional right from November 20, 2014 through May 31, 2015 to put its 20% ownership interest to SBS. On September 16, 2014, the Company entered into an agreement with the noncontrolling interest holder to purchase their remaining 20% ownership interest. As the noncontrolling interest is contractually payable, it has been reclassified to accrued liabilities in the consolidated balance sheet as of September 30, 2014. The difference between the consideration transferred and the recorded value of the previous redeemable noncontrolling interest was recorded to additional paid-in capital.
	In connection with the acquisition of a controlling interest in Discovery Japan on January 10, 2013, the Company recognized $35 million for the fair value of J:COM's noncontrolling interest (see Note 2). The terms of the agreement provide J:COM with a right to put all, but not less than all, of its 20% noncontrolling interest to Discovery at any time for cash. For the first four years, the redemption value is the January 10, 2013 fair value denominated in Japanese yen; thereafter, the redemption value is the greater of the then-current fair value or the January 10, 2013 fair value denominated in Japanese yen.
	Redeemable noncontrolling interests reflected as of the balance sheet date are the greater of the noncontrolling interest balances adjusted for comprehensive income items and distributions or the redemption values remeasured at the period end foreign exchange rates (i.e., the "floor"). Adjustments to the carrying amount of redeemable noncontrolling interests to redemption value as a result of changes in exchange rates are reflected in currency translation adjustments, a component of other comprehensive (loss) income; however, such currency translation adjustments to redemption value are allocated to Discovery stockholders only. Redeemable noncontrolling interest adjustments of redemption value to the floor are reflected in retained earnings. The adjustment of redemption value to the floor that reflects a redemption in excess of fair value is included as an adjustment to income from continuing operations available to Discovery Communications, Inc. stockholders in the calculation of earnings per share. None of the current period adjustments reflect a redemption in excess of fair value. (See Note 12.)
	The table below presents the reconciliation of changes in redeemable noncontrolling interests (in millions).


		Nine Months Ended September 30,
		2014			2013
	Beginning balance	$	36		$	—

	Initial fair value of redeemable noncontrolling interests of acquired businesses	796			35

	Purchase of subsidiary shares at fair value	(6		)	—

	Cash distributions to redeemable noncontrolling interests	(2		)	—

	Comprehensive income (loss) adjustments:
	Net income attributable to redeemable noncontrolling interests	11			—

	Other comprehensive loss attributable to redeemable noncontrolling interests	(26		)	(1		)
	Currency translation on redemption values	(40		)	(3		)
	Retained earnings adjustments:
	Adjustments to redemption value	16			1

	Ending balance	$	785		$	32

Equity

Equity	9 Months Ended
	Sep. 30, 2014
Equity [Abstract]	'
Equity Note Disclosure [Text Block]	'
	EQUITY
	Common Stock Repurchase Program
	Under the Company's stock repurchase program, management is authorized to purchase shares of the Company's common stock from time to time through open market purchases or privately negotiated transactions at prevailing prices or pursuant to one or more accelerated stock repurchase agreements or other derivative arrangements as permitted by securities laws and other legal requirements, and subject to stock price, business and market conditions and other factors. The total authorization under the stock repurchase program is $5.5 billion. As of September 30, 2014, the Company had remaining authorization of $1.0 billion for future repurchases under the stock repurchase program, which will expire on February 3, 2016.
	Repurchased common stock is recorded in treasury stock on the consolidated balance sheet. The stock split in the form of a share dividend was not applied to the Company's treasury shares (see Note 1). Accordingly, the number of common shares repurchased under the common stock repurchase program has not been retroactively adjusted to give effect to the stock split.
	All repurchases during the three and nine months ended September 30, 2014 and 2013 were made through open market transactions and were funded using cash on hand. As of September 30, 2014, the Company had repurchased over the life of the program 2.8 million and 83.4 million shares of Series A and Series C common stock for the aggregate purchase price of $171 million and $4.3 billion, respectively.
	The table below presents a summary of stock repurchases (in millions).


			Three Months Ended September 30,								Nine Months Ended September 30,
			2014				2013				2014				2013
	Series A Common Stock:
	Shares repurchased		—				0.8				—				0.8

	Purchase price		$	—			$	62			$	—			$	62

	Series C Common Stock:
	Shares repurchased		3.3				5.2				13.4				9

	Purchase price		$	188			$	386			$	957			$	651

	Total shares repurchased		3.3				6				13.4				9.8

	Total purchase price		$	188			$	448			$	957			$	713

	Preferred Stock Conversion and Repurchase
	The Company has an agreement with Advance/Newhouse Programming Partnership (“Advance/Newhouse”) to repurchase, on a quarterly basis, a number of shares of Series C convertible preferred stock convertible into a number of shares of Series C common stock equal to 3/7 of all shares of Series C common stock purchased under the Company’s stock repurchase program during the then most recently completed fiscal quarter. The price paid per share is calculated as 99% of the average price paid for the Series C common shares repurchased by the Company during the applicable fiscal quarter multiplied by the Series C conversion rate. The Series C conversion rate changed from one to two upon the August 6, 2014 effective date of the stock split in the form of a share dividend (see Note 1). The Advance/Newhouse repurchases are made outside of the Company’s publicly announced stock repurchase program. During the three months ended September 30, 2014, the Company retired 1.5 million shares of its Series C convertible preferred stock under the preferred stock conversion and repurchase arrangement for an aggregate purchase price of $110 million. Based on the number of shares of Series C common stock purchased during the three months ended September 30, 2014, the Company expects Advance/Newhouse to effectively convert and sell to the Company 1.0 million shares of its Series C convertible preferred stock for an aggregate purchase price of $80 million on or about November 6, 2014. The repurchase transactions are recorded as a decrease of par value of preferred stock and retained earnings upon settlement using cash on hand.
	On April 5, 2013, the Company repurchased and retired 4 million shares of its Series C convertible preferred stock from Advance/Newhouse for an aggregate purchase price of $256 million, which was recorded as a decrease of par value of preferred stock and retained earnings. The repurchase was made outside of the Company's publicly announced stock repurchase program, using cash on hand.
	Common Stock
	On February 13, 2014, John C. Malone, a member of Discovery’s Board of Directors, entered into an agreement granting David Zaslav, the Company’s President and Chief Executive Officer, certain voting and purchase rights with respect to the approximately 5.9 million shares of the Company’s Series B common stock owned by Dr. Malone. The agreement gives Mr. Zaslav the right to vote the Series B shares if Dr. Malone is not otherwise voting or directing the vote of those shares. The agreement also provides that if Dr. Malone proposes to sell the Series B shares, Mr. Zaslav will have the first right to negotiate for the purchase of the shares. If that negotiation is not successful and Dr. Malone proposed to sell the Series B shares to a third party, Mr. Zaslav will have the exclusive right to match that offer. The rights granted under the agreement will remain in effect for as long as Mr. Zaslav is either employed as the principal executive officer of the Company or serving on its Board of Directors.
	Other Comprehensive (Loss) Income
	The table below presents the tax effects related to each component of other comprehensive (loss) income and reclassifications made in the consolidated statements of operations (in millions).


		Three Months Ended September 30, 2014												Three Months Ended September 30, 2013
		Pretax				Tax Benefit				Net-of-tax				Pretax				Tax Benefit (Provision)				Net-of-tax
						(Provision)
	Currency translation adjustments:
	Unrealized (losses) gains	$	(195	)		$	8			$	(187	)		$	117			$	(13	)		$	104

	Derivative and market value adjustments:
	Unrealized gains	4				(1		)		3				1				—				1

	Reclassifications to distribution revenue	1				—				1				—				—				—

	Reclassifications to other income, net	(1		)		—				(1		)		(1		)		—				(1		)

	Other comprehensive (loss) income	$	(191	)		$	7			$	(184	)		$	117			$	(13	)		$	104



		Nine Months Ended September 30, 2014												Nine Months Ended September 30, 2013
		Pretax				Tax Benefit				Net-of-tax				Pretax				Tax				Net-of-tax
						(Provision)												Benefit (Provision)
	Currency translation adjustments:
	Unrealized (losses) gains	$	(211	)		$	(1	)		$	(212	)		$	3			$	—			$	3

	Reclassifications to other income, net	(7		)		—				(7		)		(9		)		3				(6		)

	Derivative and market value adjustments:
	Unrealized (losses) gains	(5		)		2				(3		)		10				(3		)		7

	Reclassifications to distribution revenue	2				—				2				—				—				—

Reclassifications to loss on disposition	(5		)		2				(3		)		—				—				—

Reclassifications to other income, net	(2		)		—				(2		)		(1		)		—				(1		)

Other comprehensive (loss) income	$	(228	)		$	3			$	(225	)		$	3			$	—			$	3


Accumulated Other Comprehensive (Loss) Income
The table below presents the changes in the components of accumulated other comprehensive (loss) income, net of taxes (in millions).


	Three Months Ended September 30, 2014												Three Months Ended September 30, 2013
	Currency Translation Adjustments				Derivative				Accumulated				Currency Translation Adjustments				Derivative				Accumulated
					and Market				Other								and Market				Other
					Value				Comprehensive								Value				Comprehensive
					Adjustments				Loss								Adjustments				(Loss) Income
Beginning balance	$	(41	)		$	3			$	(38	)		$	(106	)		$	10			$	(96	)

Other comprehensive (loss) income before reclassifications	(187		)		3				(184		)		104				1				105

Reclassifications from accumulated other comprehensive (loss) income to net income	—				—				—				—				(1		)		(1		)

Other comprehensive (loss) income	(187		)		3				(184		)		104				—				104

Other comprehensive loss attributable to redeemable noncontrolling interests	28				(1		)		27				—				—				—

Ending balance	$	(200	)		$	5			$	(195	)		$	(2	)		$	10			$	8



	Nine Months Ended September 30, 2014												Nine Months Ended September 30, 2013
	Currency Translation Adjustments				Derivative				Accumulated				Currency Translation Adjustments				Derivative				Accumulated
					and Market				Other								and Market				Other
					Value				Comprehensive								Value				Comprehensive
					Adjustments				Income (Loss)								Adjustments				Income (Loss)
Beginning balance	$	(8	)		$	12			$	4			$	(1	)		$	5			$	4

Other comprehensive (loss) income before reclassifications	(212		)		(3		)		(215		)		3				7				10

Reclassifications from accumulated other comprehensive (loss) income to net income	(7		)		(3		)		(10		)		(6		)		(1		)		(7		)
Other comprehensive (loss) income	(219		)		(6		)		(225		)		(3		)		6				3

Other comprehensive loss attributable to redeemable noncontrolling interests	27				(1		)		26				2				(1		)		1

Ending balance	$	(200	)		$	5			$	(195	)		$	(2	)		$	10			$	8

EquityBased_Compensation

Equity-Based Compensation	9 Months Ended
	Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	'
Equity-Based Compensation	'
	EQUITY-BASED COMPENSATION
	The Company has various incentive plans under which performance-based restricted stock units ("PRSUs"), time-based restricted stock units ("RSUs"), stock options, unit awards and stock appreciation rights ("SARs") have been issued. As of September 30, 2014, the Company has reserved a total of 126 million shares of its Series A and Series C common stock for future exercises of outstanding and future grants of stock options and SARs and future vesting of outstanding and future grants of PRSUs and RSUs. Upon exercise of stock options and SARs or vesting of PRSUs and RSUs, the Company issues new shares from its existing authorized but unissued shares. There were 105 million shares of common stock in reserves that were available for future grant under incentive plans as of September 30, 2014.
	As a result of the 2014 Share Dividend (see Note 1), the Company adjusted historical per share data, the number of shares and the exercise or grant price of its equity-based compensation.
	During the nine months ended September 30, 2014, the vesting and service requirements of equity-based awards granted were consistent with the arrangements disclosed in the 2013 Form 10-K.
	Equity-Based Compensation Expense
	The table below presents the components of equity-based compensation expense (in millions).


			Three Months Ended September 30,								Nine Months Ended September 30,
			2014				2013				2014			2013
	PRSUs and RSUs		$	17			$	7			$	42		$	28

	Stock options		4				6				19			19

	Unit awards		5				14				6			42

	SARs		6				17				(2		)	39

	ESPP		1				1				1			1

	Total equity-based compensation expense		$	33			$	45			$	66		$	129

	Tax benefit recognized		$	11			$	12			$	23		$	34

	Compensation expense for all awards is recorded in selling, general and administrative expense in the consolidated statements of operations. As of September 30, 2014 and December 31, 2013, the Company recorded total liabilities for cash-settled and certain equity-based awards of $83 million and $138 million, respectively. The current portion of the liability for cash-settled awards was $38 million and $85 million as of September 30, 2014 and December 31, 2013, respectively.
	Equity-Based Award Activity
	PRSUs and RSUs
	The table below presents PRSU and RSU activity (in millions, except years and weighted-average grant price).


			PRSUs and			Weighted-Average				Weighted-Average		Aggregate
			RSUs			Grant				Remaining		Fair
						Price				Contractual		Value
										Term
										(years)
	Outstanding as of December 31, 2013		4.8			$	23

	Granted		3.2			41.6

	Converted		(1.4	)		19.41						$	59

	Forfeited		(0.2	)		35.91

	Outstanding as of September 30, 2014		6.4			$	32.67			1.1		$	242

	Vested and expected to vest as of September 30, 2014		6.2			$	32.52			1		$	233

	PRSUs represent the contingent right to receive shares of the Company’s Series A and C common stock based on continuous service and the Company's achievement of certain operating performance targets. As of September 30, 2014, there were approximately 5 million outstanding PRSUs with a weighted-average grant price of $32.18. As of September 30, 2014, unrecognized compensation cost, net of expected forfeitures, related to PRSUs was $74 million, which is expected to be recognized over a weighted-average period of 0.7 years.
	RSUs represent the contingent right to receive shares of the Company’s Series A and C common stock based on continuous service. As of September 30, 2014, there were less than 2 million outstanding RSUs with a weighted-average grant price of $34.09. As of September 30, 2014, unrecognized compensation cost, net of expected forfeitures, related to RSUs was $34 million, which is expected to be recognized over a weighted-average period of 2.5 years.
	Stock Options
	The table below presents stock option activity (in millions, except years and weighted-average exercise price).


			Stock Options			Weighted-				Weighted-		Aggregate
						Average				Average		Intrinsic
						Exercise				Remaining		Value
						Price				Contractual
										Term
										(years)
	Outstanding as of December 31, 2013		15.2			$	18.23

	Granted		2			41.23

Exercised		(2.2	)		13.77						$	60

Forfeited		(0.2	)		30.04

Outstanding as of September 30, 2014		14.8			$	21.91			4.1		$	243

Vested and expected to vest as of September 30, 2014		14.4			$	21.53			4.1		$	238

Exercisable as of September 30, 2014		10.5			$	16.79			3.6		$	221

The Company received cash payments from the exercise of stock options totaling $31 million and $40 million during the nine months ended September 30, 2014 and 2013, respectively. The weighted average grant date fair value of stock options granted during the nine months ended September 30, 2014 was $20.98 per option. As of September 30, 2014, there was $31 million of unrecognized compensation cost, net of expected forfeitures, related to stock options, which is expected to be recognized over a weighted-average period of 2.1 years.
Unit Awards
The table below presents unit award activity (in millions, except years and weighted-average grant price).


		Unit Awards			Weighted-				Weighted-		Aggregate
					Average				Average		Intrinsic
					Grant				Remaining		Value
					Price				Contractual
									Term
									(years)
Outstanding as of December 31, 2013		3.3			$	19.23

Settled		(2.1	)		18.48						$	52

Outstanding as of September 30, 2014		1.2			$	20.59			0.3		$	21

Vested and expected to vest as of September 30, 2014		1.2			$	20.59			0.3		$	21

Unit awards represent the contingent right to receive a cash payment for the amount by which the vesting price of Company stock exceeds the grant price. Because unit awards are cash-settled, the Company remeasures the fair value and compensation expense of outstanding unit awards each reporting date until settlement. As of September 30, 2014, the weighted-average fair value of unit awards outstanding was $17.97 per unit award. The Company made cash payments to settle vested unit awards totaling $52 million and $50 million during the nine months ended September 30, 2014 and 2013, respectively. As of September 30, 2014, there was $4 million of unrecognized compensation cost related to unit awards, which is expected to be recognized over a weighted-average period of 0.3 years.
SARs
The table below presents SAR award activity (in millions, except years and weighted-average grant price).


		SARs			Weighted-				Weighted-		Aggregate
					Average				Average		Intrinsic
					Grant				Remaining		Value
					Price				Contractual
									Term
									(years)
Outstanding as of December 31, 2013		6.4			$	27.6

Granted		7.5			43.24

Settled		(1.8	)		26.78						$	29

Outstanding as of September 30, 2014		12.1			$	37.38			1.5		$	45

Vested and expected to vest as of September 30, 2014		12.1			$	37.38			1.5		$	45

As of September 30, 2014, the weighted-average fair value of SARs outstanding was $5.72 per award. The Company made cash payments of $29 million and $11 million to settle exercised SARs during the nine months ended September 30, 2014 and 2013, respectively. As of September 30, 2014, there was $28 million of unrecognized compensation cost related to SARs, which is expected to be recognized over a weighted-average period of 1.5 years.
Employee Stock Purchase Plan
The Discovery Communications, Inc. 2011 Employee Stock Purchase Plan (the "DESPP") enables eligible employees to purchase shares of the Company’s common stock through payroll deductions or other permitted means. During the nine months ended September 30, 2014 and 2013, the Company issued 145 thousand and 106 thousand shares under the DESPP and received cash totaling $5 million and $3 million, respectively.

Income_Taxes

Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2014
Income Tax Disclosure [Abstract]	'
Income Taxes	'
	INCOME TAXES
	The Company's provisions for income taxes on income from continuing operations were $155 million and $481 million, and the effective income tax rate was 35% for each of the three and nine months ended September 30, 2014, respectively. The Company's provisions for income taxes on income from continuing operations were $163 million and $490 million, and the effective income tax rates were 39% and 38% for the three and nine months ended September 30, 2013, respectively.
	The following table reconciles the Company's effective income tax rate to the U.S. federal statutory income tax rate of 35%.


		Three Months Ended September 30,				Nine Months Ended September 30,
		2014		2013		2014		2013
	U.S. federal statutory income tax rate	35	%	35	%	35	%	35	%
	State and local income taxes, net of federal tax benefit	2	%	3	%	3	%	3	%
	Effect of foreign operations	1	%	1	%	1	%	1	%
	Domestic production activity deductions	(3	)%	(2	)%	(3	)%	(1	)%
	Change in uncertain tax positions	—	%	—	%	(1	)%	—	%
	Remeasurement gain on previously held equity interest	—	%	(2	)%	—	%	(2	)%
	Other, net	—	%	4	%	—	%	2	%
	Effective income tax rate	35	%	39	%	35	%	38	%
	The Company and its subsidiaries file income tax returns in the U.S. and various state and foreign jurisdictions. The Company is currently under examination by the IRS for its 2011 and 2010 consolidated federal income tax returns. The Company does not anticipate any material adjustments. With few exceptions, the Company is no longer subject to audit by any jurisdiction for years prior to 2006.
	The Company's reserves for uncertain tax positions at September 30, 2014 and December 31, 2013 totaled $186 million and $185 million, respectively. It is reasonably possible that the total amount of unrecognized tax benefits related to certain of the Company's uncertain tax positions could decrease as much as $50 million within the next twelve months as a result of ongoing audits, lapses of statutes of limitations or regulatory developments.
	As of September 30, 2014 and December 31, 2013, the Company had accrued approximately $16 million and $11 million, respectively, of total interest and penalties payable related to unrecognized tax benefits. The Company recognizes interest and penalties related to unrecognized tax benefits as a component of income tax expense.

Earnings_Per_Share

Earnings Per Share	9 Months Ended
	Sep. 30, 2014
Earnings Per Share [Abstract]	'
Earnings Per Share [Text Block]	'
	EARNINGS PER SHARE
	The Company follows the two-class method in calculating earnings per share. The two-class method calculates earnings per share by distinguishing between the classes of common securities based on the proportionate participation rights of each security type in the Company's undistributed income. The Company's Series A, B and C common stock are treated as one class for purposes of applying the two-class method, because they have identical economic rights. The second class is the Company's Series C convertible preferred stock. Holders of Series C convertible preferred stock have substantially equal rights as holders of Series C common stock and share equally on an as converted to Series C common stock basis with holders of Series A, B and C common stock with respect to income available to Discovery Communications, Inc. Following the 2014 Share Dividend on August 6, 2014, each share of Series C convertible preferred stock was convertible into two shares of Series C common stock. As a result of the change in conversion ratio, which did not impact the economic rights of any of the stockholders, the Company recast all prior period earnings per share presentations to be consistent with the current period.
	The table below sets forth the computation of the weighted average number of shares outstanding utilized in determining basic and diluted earnings per share (in millions, except per share amounts).


			Three Months Ended September 30,							Nine Months Ended September 30,
			2014			2013				2014			2013
	Numerator:
	Net income		$	287		$	256			$	902		$	787

	Less:
	Allocation of undistributed income to Series A convertible preferred stock		(58		)	(51		)		(183		)	(154		)
	Net income attributable to noncontrolling interests		—			(1		)		(2		)	(1		)

	Net income attributable to redeemable noncontrolling interests		(7		)	—				(11		)	—

	Redeemable noncontrolling interest adjustments to redemption value		—			—				(1		)	(1		)

	Net income available to Discovery Communications, Inc. Series A, B and C common and Series C convertible preferred stockholders for basic net income per share		$	222		$	204			$	705		$	631

	Net income allocable to Discovery Communications Inc. Series A, B and C common stockholders and Series C convertible preferred stockholders for basic net income per share:
	Series A, B and C common stockholders		186			173				592			533

	Series C convertible preferred stockholders		36			31				113			98

	Total		222			204				705			631


	Add back:
	Allocation of undistributed income to Series A convertible preferred stock		58			51				183			154

	Net income available to Discovery Communications, Inc. Series A, B and C common stockholders for diluted net income per share		$	280		$	255			$	888		$	785


	Denominator:
	Weighted average Series A, B and C common shares outstanding — basic		449			483				458			488

	Weighted average impact of assumed preferred stock conversion		227			229				228			231

	Weighted average dilutive effect of equity awards		6			7				7			8

	Weighted average Series A, B and C common shares outstanding — diluted		682			719				693			727

	Weighted average Series C convertible preferred stock outstanding — basic and diluted		43			44				44			45


	Basic net income per share available to Discovery Communications, Inc. Series A, B and C common and Series C convertible preferred stockholders:
	Series A, B and C common stockholders		$	0.41		$	0.36			$	1.29		$	1.09

	Series C convertible preferred stockholders		$	0.82		$	0.72			$	2.58		$	2.18


	Diluted net income per share available to Discovery Communications, Inc. Series A, B and C common and Series C convertible preferred stockholders:
	Series A, B and C common stockholders		$	0.41		$	0.35			$	1.28		$	1.08

	Series C convertible preferred stockholders(a)		$	0.82		$	0.7			$	2.56		$	2.16




	(a) Net income available to Discovery Communications, Inc. Series C convertible preferred stockholders for diluted net income per share is included in net income available to Discovery Communications, Inc. Series A, B and C common stockholders for diluted net income per share. For the three months ended September 30, 2014 and 2013, net income available to Discovery Communications, Inc. Series C convertible preferred stockholders for diluted net income per share was $35 million and $31 million, respectively. For the nine months ended September 30, 2014 and 2013, net income available to Discovery Communications, Inc. Series C convertible preferred stockholders for diluted net income per share was $112 million and $97 million, respectively.
	The weighted average number of diluted shares outstanding adjusts the weighted average number of shares of Series A, B and C common stock outstanding for the potential dilution that would occur if common stock equivalents, including convertible preferred stock and equity-based awards, were converted into common stock or exercised, calculated using the treasury stock method. Series A, B and C diluted common stock includes the impact of the conversion of Series A preferred stock, the impact of the conversion of Series C preferred stock, and the impact of stock-based compensation. Only outstanding PRSUs whose performance targets have been achieved as of the last day of the most recent period are included in the dilutive effect calculation. The weighted-average number of diluted shares outstanding of Series C convertible preferred stock is equal to the weighted-average number of basic shares, as there are no securities that are convertible into Series C convertible preferred stock.
	The table below presents the details of the equity-based awards that were excluded from the calculation of diluted earnings per share (in millions).


		Three Months Ended September 30,					Nine Months Ended September 30,
		2014			2013		2014		2013
Anti-dilutive stock options, PRSUs and RSUs		4			2		3		1

PRSUs whose performance targets have not been achieved		4			2		3		2

Supplemental_Disclosures

Supplemental Disclosures	9 Months Ended
	Sep. 30, 2014
Disclosure Text Block Supplement [Abstract]	'
Supplemental Disclosures	'
	SUPPLEMENTAL DISCLOSURES
	Accrued Liabilities
	Accrued liabilities consisted of the following (in millions).


		September 30, 2014			December 31, 2013
	Accrued payroll and related benefits	$	376		$	373

	Content rights payable	218			212

	Accrued interest	109			43

	Accrued income taxes	97			71

	Current portion of equity-based compensation liabilities	38			85

	Other accrued liabilities	202			208

	Total accrued liabilities	$	1,040		$	992

	Other Income, Net
	Other income, net consisted of the following (in millions).


		Three Months Ended September 30,						Nine Months Ended September 30,
		2014			2013			2014			2013
	Foreign currency gains (losses), net	$	7		$	11		$	(5	)	$	24

	Gain (loss) on derivative instruments	1			—			(6		)	(56		)

	Remeasurement gain on previously held equity interest	—			—			29			92

	Other, net	(7		)	—			(7		)	1

	Total other income, net	$	1		$	11		$	11		$	61

	Cash Proceeds from Equity-Based Plans, Net
	Cash proceeds from equity-based plans, net consisted of the following (in millions).


		Nine Months Ended September 30,
		2014			2013
	Tax settlements associated with equity-based plans	$	(27	)	$	(22	)
	Excess tax benefits from equity-based compensation	30			40

	Proceeds from issuance of common stock for equity-based plans	36			43

	Total cash proceeds from equity-based plans, net	$	39		$	61

Related_Party_Transactions

Related Party Transactions	9 Months Ended
	Sep. 30, 2014
Related Party Transactions [Abstract]	'
Related Party Transactions	'
	RELATED PARTY TRANSACTIONS
	In the normal course of business, the Company enters into transactions with related parties. Related parties include entities that share common directorship, such as Liberty Global plc (“Liberty Global”), Liberty Media Corporation ("Liberty Media") and their subsidiaries and equity method investees (together the “Liberty Group”). Discovery’s Board of Directors includes Dr. Malone, who is Chairman of the Board of Liberty Global and beneficially owns approximately 28% of the aggregate voting power with respect to the election of directors of Liberty Global. Dr. Malone is Chairman of the Board of Liberty Media and beneficially owns approximately 46% of the aggregate voting power with respect to the election of directors of Liberty Media. The majority of the revenue earned from the Liberty Group relates to multi-year network distribution arrangements.
	Other related party transactions include revenues for content and services provided to and from equity method investees, such as OWN and All3 Media. On September 23, 2014, Liberty Global and the Company each acquired 50% of All3Media, a production company and jointly control the equity method investment.
	Other related party revenue and service charges during the three and nine months ended September 30, 2014 and 2013 included in the table below primarily consist of distribution revenue from J:COM earned by Discovery Japan. Following the consolidation of Discovery Japan (see Note 2), revenues earned from J:COM are reflected in related party revenues.
	Following the Company's consolidation of the Hub Network on September 23, 2014, transactions with Hasbro Studios for content are reflected as related party expenses. The Hub has a seven year programming arrangement with Hasbro Studios.
	The table below presents a summary of the transactions with related parties (in millions).


		Three Months Ended September 30,				Nine Months Ended September 30,
		2014		2013		2014		2013
	Revenues and service charges:
	Liberty Group(a)	$	39	$	39	$	118	$	79

	Equity method investees	31		17		79		55

	Other	9		8		26		18

	Total revenues and service charges	$	79	$	64	$	223	$	152

	Interest income(b)	$	8	$	9	$	25	$	27

	Expenses	$	10	$	4	$	28	$	16




	(a) The increase in revenue from transactions with the Liberty Group for the nine months ended September 30, 2014 is primarily attributable to activity with Charter Communications, Inc. ("Charter") and Virgin Media, Inc. ("Virgin Media"). In May 2013, Liberty Media completed its equity method investment in Charter; Dr. Malone is on Charter's board of directors. In June 2013, Liberty Global announced it had completed its acquisition of Virgin Media. Transactions with Charter and Virgin Media have been reported as related party transactions since the date that they became related parties.
	(b) The Company records interest earnings from loans to equity method investees as a component of income (loss) from equity investees, net, in the consolidated statements of operations.
	The table below presents receivables due from related parties (in millions).


		September 30, 2014		December 31, 2013
	Receivables	$	52	$	41

	Note receivable (see Note 3)	$	452	$	483

Commitments_Contingencies_And_

Commitments, Contingencies, And Guarantees	9 Months Ended
Commitments, Contingencies, And Guarantees	Sep. 30, 2014
Commitments and Contingencies Disclosure [Abstract]	'
Commitments, Contingencies, And Guarantees	'
	COMMITMENTS, CONTINGENCIES, AND GUARANTEES
	Commitments
	In the normal course of business, the Company enters into various commitments, which primarily include programming and talent arrangements, operating and capital leases, employment contracts, arrangements to purchase various goods and services, future funding commitments to equity method investees (see Note 3), and the conditional obligation to issue or acquire additional shares of preferred stock (see Note 9). In connection with the Company's business combinations in 2014 (see Note 2), the Company assumed or entered into various commitments, which include primarily programming arrangements and operating and capital leases.
	Contingencies
	Put Rights
	The Company has granted put rights related to certain equity method investments and consolidated subsidiaries: Harpo has the right to require the Company to purchase its interest in OWN for fair value at various dates (see Note 3); TF1 has the conditional right to require the Company to purchase its remaining shares in Eurosport France (see Note 4); and noncontrolling interests, including Hasbro, TF1 and J:COM, hold put rights that obligate the Company to purchase redeemable noncontrolling interests in consolidated subsidiaries if the put right is exercised (see Note 8).
	Legal Matters
	In the normal course of business, the Company experiences routine claims and legal proceedings. It is the opinion of the Company’s management, based on information available at this time, that none of the current claims and proceedings will have a material adverse effect on the Company’s consolidated financial position, results of operations or cash flows.
	Other
	The Company may provide indemnities intended to allocate business transaction risks. Similarly, the Company may remain contingently liable for certain obligations of a divested business in the event that a third party does not fulfill its obligations under an indemnification obligation. The Company records a liability for its indemnification obligations and other contingent liabilities when probable and estimable. There were no material amounts for indemnifications or other contingencies recorded as of September 30, 2014 and December 31, 2013.

Reportable_Segments

Reportable Segments	9 Months Ended
	Sep. 30, 2014
Segment Reporting [Abstract]	'
Reportable Segments	'
	REPORTABLE SEGMENTS
	The Company’s reportable segments are determined based on (i) financial information reviewed by its chief operating decision maker (“CODM”), the Chief Executive Officer, (ii) internal management and related reporting structure, and (iii) the basis upon which the CODM makes resource allocation decisions.
	The accounting policies of the reportable segments are the same as the Company’s, except that certain inter-segment transactions that are eliminated for consolidation are not eliminated at the segment level as they are treated as a third-party sales transactions in determining segment performance. Inter-segment transactions, which primarily include the purchase of advertising and content between segments, were not significant for the periods presented.
	The Company evaluates the operating performance of its segments based on financial measures such as revenues and adjusted operating income before depreciation and amortization (“Adjusted OIBDA”). Adjusted OIBDA is defined as revenues less costs of revenues and selling, general and administrative expenses excluding: (i) mark-to-market equity-based compensation, (ii) depreciation and amortization, (iii) amortization of deferred launch incentives, (iv) exit and restructuring charges, (v) certain impairment charges and (vi) gains and losses on business and asset dispositions. The Company uses this measure to assess the operating results and performance of its segments, perform analytical comparisons, identify strategies to improve performance and allocate resources to each segment. The Company believes Adjusted OIBDA is relevant to investors because it allows them to analyze the operating performance of each segment using the same metric management uses. The Company excludes mark-to-market equity-based compensation, exit and restructuring charges, certain impairment charges, and gains and losses on business and asset dispositions from the calculation of Adjusted OIBDA due to their volatility. The Company also excludes depreciation of fixed assets, amortization of intangible assets and deferred launch incentives, as these amounts do not represent cash payments in the current reporting period. Certain corporate expenses are excluded from segment results to enable executive management to evaluate segment performance based upon the decisions of segment executives. Adjusted OIBDA should be considered in addition to, but not a substitute for, operating income, net income and other measures of financial performance reported in accordance with GAAP. The tables below present summarized financial information for each of the Company’s reportable segments and corporate and inter-segment eliminations (in millions).
	Revenues by Segment


		Three Months Ended September 30,						Nine Months Ended September 30,
		2014			2013			2014			2013
	U.S. Networks	$	724		$	733		$	2,209		$	2,212

	International Networks	818			620			2,291			1,716

	Education	27			22			90			73

	Corporate and inter-segment eliminations	(1		)	—			(1		)	(3		)

	Total revenues	$	1,568		$	1,375		$	4,589		$	3,998

	Adjusted OIBDA by Segment



		Three Months Ended September 30,						Nine Months Ended September 30,
		2014			2013			2014			2013
	U.S. Networks	$	425		$	425		$	1,274		$	1,274

	International Networks	278			223			796			659

	Education	3			2			15			13

	Corporate and inter-segment eliminations	(72		)	(64		)	(232		)	(207		)
	Total Adjusted OIBDA	$	634		$	586		$	1,853		$	1,739

	Reconciliation of Total Adjusted OIBDA to Total Operating Income


		Three Months Ended September 30,						Nine Months Ended September 30,
		2014			2013			2014			2013
	Total Adjusted OIBDA	$	634		$	586		$	1,853		$	1,739

	Amortization of deferred launch incentives	(4		)	(4		)	(8		)	(14		)
	Mark-to-market equity-based compensation	(23		)	(32		)	(29		)	(90		)
	Depreciation and amortization	(85		)	(80		)	(243		)	(190		)
	Restructuring and other charges	(11		)	(1		)	(19		)	(11		)
	Gain on disposition	—			19			31			19

	Operating income	$	511		$	488		$	1,585		$	1,453

	Total Assets by Segment


		September 30, 2014			December 31, 2013
	U.S. Networks	$	3,377		$	2,978

	International Networks	5,921			4,792

	Education	136			125

	Corporate and inter-segment eliminations	6,939			7,084

	Total assets	$	16,373		$	14,979

Total assets for corporate and inter-segment eliminations include goodwill that is allocated to the Company’s segments to account for goodwill. The presentation of segment assets in the table above is consistent with the financial reports that are reviewed by the Company’s CODM.

Condensed_Consolidating_Financ

Condensed Consolidating Financial Statements	9 Months Ended
	Sep. 30, 2014
Condensed Financial Information of Parent Company Only Disclosure [Abstract]	'
Condensed Consolidating Financial Statements	'
	CONDENSED CONSOLIDATING FINANCIAL STATEMENTS
	Overview
	As of September 30, 2014 and December 31, 2013, the senior notes outstanding (see Note 6) have been issued by DCL, a wholly-owned subsidiary of the Company, in transactions registered with the U.S. Securities and Exchange Commission. The Company fully and unconditionally guarantees the senior notes on an unsecured basis. The Company, DCL, and/or Discovery Communications Holding, LLC (“DCH”), a wholly-owned subsidiary of the Company (collectively, the “Issuers”), have an effective Registration Statement on Form S-3 (the "Shelf Registration") and may issue additional debt securities under the Shelf Registration that are fully and unconditionally guaranteed by one or both of the other Issuers.
	Set forth below are condensed consolidating financial statements presenting the financial position, results of operations and comprehensive income, and cash flows of (i) the Company, (ii) DCH, (iii) DCL, (iv) the non-guarantor subsidiaries of DCL on a combined basis, (v) the other non-guarantor subsidiaries of the Company on a combined basis and (vi) reclassifications and eliminations necessary to arrive at the consolidated financial statement balances for the Company. DCL and the non-guarantor subsidiaries of DCL are the primary operating subsidiaries of the Company. DCL primarily includes Discovery Channel and TLC networks in the U.S. The non-guarantor subsidiaries of DCL include the Company’s other U.S. and international networks, education businesses, and most of the Company’s websites and other digital media services. The non-guarantor subsidiaries of DCL are wholly-owned subsidiaries of DCL with the exception of certain equity method investments. DCL is a wholly-owned subsidiary of DCH. The Company wholly owns DCH through a 33 1/3% direct ownership interest and a 66 2/3% indirect ownership interest through Discovery Holding Company (“DHC”), a wholly-owned subsidiary of the Company. DHC is included in the other non-guarantor subsidiaries of the Company.
	Basis of Presentation
	Solely for purposes of presenting the condensed consolidating financial statements, investments in the Company’s subsidiaries have been accounted for by their respective parent company using the equity method. Accordingly, in the following condensed consolidating financial statements, the equity method has been applied to (i) the Company’s interests in DCH and the other non-guarantor subsidiaries of the Company, (ii) DCH’s interest in DCL and (iii) DCL’s interests in the non-guarantor subsidiaries of DCL. Inter-company accounts and transactions have been eliminated to arrive at the consolidated financial statement amounts for the Company. The Company’s accounting bases in all subsidiaries, including goodwill and recognized intangible assets, have been “pushed-down” to the applicable subsidiaries.
	The operations of certain of the Company’s international subsidiaries are excluded from the Company’s consolidated U.S. income tax return. Tax expense related to permanent differences has been allocated to the entity that created the difference. Tax expense related to temporary differences has been allocated to the entity that created the difference, where identifiable. The remaining temporary differences are allocated to each entity included in the Company’s consolidated U.S. income tax return based on each entity’s relative pretax income. Deferred taxes have been allocated based upon the temporary differences between the carrying amounts of the respective assets and liabilities of the applicable entities.
	The condensed consolidating financial statements should be read in conjunction with the consolidated financial statements of the Company.
	Condensed Consolidating Balance Sheet
	September 30, 2014
	(in millions)


			Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
												Subsidiaries of			Guarantor			and				Subsidiaries
												DCL			Subsidiaries of Discovery			Eliminations
	ASSETS
	Current assets:
	Cash and cash equivalents		$	—		$	—		$	32		$	344		$	—		$	—			$	376

	Receivables, net		—			—			434			1,030			—			—				1,464

	Content rights, net		—			—			10			369			—			—				379

	Deferred income taxes		—			—			38			49			—			—				87

	Prepaid expenses and other current assets		—			—			162			116			—			—				278

	Intercompany trade receivables, net		—			—			54			—			—			(54		)		—

	Total current assets		—			—			730			1,908			—			(54		)		2,584

	Investment in and advances to subsidiaries		5,931			5,943			8,015			—			3,967			(23,856		)		—

	Noncurrent content rights, net		—			—			639			1,389			—			—				2,028

	Goodwill		—			—			3,769			4,551			—			—				8,320

	Intangible assets, net		—			—			310			1,781			—			—				2,091

	Equity method investments		—			—			20			647			—			—				667

	Other noncurrent assets		—			20			154			529			—			(20		)		683

	Total assets		$	5,931		$	5,963		$	13,637		$	10,805		$	3,967		$	(23,930	)		$	16,373

	LIABILITIES AND EQUITY
	Current liabilities:
	Current portion of debt		$	—		$	—		$	980		$	15		$	—		$	—			$	995

	Other current liabilities		44			12			460			1,037			—			—				1,553

	Intercompany trade payables, net		—			—			—			54			—			(54		)		—

	Total current liabilities		44			12			1,440			1,106			—			(54		)		2,548

	Noncurrent portion of debt		—			—			5,871			282			—			—				6,153

	Other noncurrent liabilities		4			—			383			615			20			(20		)		1,002

	Total liabilities		48			12			7,694			2,003			20			(74		)		9,703

	Redeemable noncontrolling interests		—			—			—			785			—			—				785

Equity attributable to Discovery Communications, Inc.		5,883			5,951			5,943			8,016			3,947			(23,857		)		5,883

Noncontrolling interests		—			—			—			1			—			1				2

Total equity		5,883			5,951			5,943			8,017			3,947			(23,856		)		5,885

Total liabilities and equity		$	5,931		$	5,963		$	13,637		$	10,805		$	3,967		$	(23,930	)		$	16,373

Condensed Consolidating Balance Sheet
December 31, 2013
(in millions)


		Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
											Subsidiaries of			Guarantor			and				Subsidiaries
											DCL			Subsidiaries of Discovery			Eliminations
ASSETS
Current assets:
Cash and cash equivalents		$	—		$	—		$	123		$	285		$	—		$	—			$	408

Receivables, net		—			—			449			922			—			—				1,371

Content rights, net		—			—			12			265			—			—				277

Deferred income taxes		—			—			31			42			—			—				73

Prepaid expenses and other current assets		52			—			143			86			—			—				281

Intercompany trade receivables, net		—			—			286			—			—			(286		)		—

Total current assets		52			—			1,044			1,600			—			(286		)		2,410

Investment in and advances to subsidiaries		6,147			6,155			7,135			—			4,112			(23,549		)		—

Noncurrent content rights, net		—			—			615			1,268			—			—				1,883

Goodwill		—			—			3,769			3,572			—			—				7,341

Intangible assets, net		—			—			320			1,245			—			—				1,565

Equity method investments		—			—			330			757			—			—				1,087

Other noncurrent assets		—			19			173			521			—			(20		)		693

Total assets		$	6,199		$	6,174		$	13,386		$	8,963		$	4,112		$	(23,855	)		$	14,979

LIABILITIES AND EQUITY
Current liabilities:
Current portion of debt		$	—		$	—		$	5		$	12		$	—		$	—			$	17

Other current liabilities		1			6			421			849			—			—				1,277

Intercompany trade payables, net		—			—			—			286			—			(286		)		—

Total current liabilities		1			6			426			1,147			—			(286		)		1,294

Noncurrent portion of debt		—			—			6,343			139			—			—				6,482

Other noncurrent liabilities		2			—			462			505			21			(20		)		970

Total liabilities		3			6			7,231			1,791			21			(306		)		8,746

Redeemable noncontrolling interests		—			—			—			36			—			—				36

Equity attributable to Discovery Communications, Inc.		6,196			6,168			6,155			7,135			4,091			(23,549		)		6,196

Noncontrolling interests		—			—			—			1			—			—				1

Total equity		6,196			6,168			6,155			7,136			4,091			(23,549		)		6,197

Total liabilities and equity		$	6,199		$	6,174		$	13,386		$	8,963		$	4,112		$	(23,855	)		$	14,979

Condensed Consolidating Statement of Operations
Three Months Ended September 30, 2014
(in millions)


		Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
											Subsidiaries of			Guarantor			and				Subsidiaries
											DCL			Subsidiaries of Discovery			Eliminations
Revenues		$	—		$	—		$	465		$	1,104		$	—		$	(1	)		$	1,568

Costs of revenues, excluding depreciation and amortization		—			—			108			423			—			(2		)		529

Selling, general and administrative		4			—			47			380			—			1				432

Depreciation and amortization		—			—			7			78			—			—				85

Restructuring and other charges		—			—			—			11			—			—				11

Total costs and expenses		4			—			162			892			—			(1		)		1,057

Operating (loss) income		(4		)	—			303			212			—			—				511

Equity in earnings of subsidiaries		282			282			122			—			188			(874		)		—

Interest expense		—			—			(81		)	(2		)	—			—				(83		)

Income from equity investees, net		—			—			3			10			—			—				13

Other income (expense), net		—			—			20			(19		)	—			—				1

Income from continuing operations before income taxes		278			282			367			201			188			(874		)		442

Benefit from (provision for) income taxes		2			—			(85		)	(72		)	—			—				(155		)

Net income		280			282			282			129			188			(874		)		287

Net income attributable to redeemable noncontrolling interests		—			—			—			—			—			(7		)		(7		)

Net income available to Discovery Communications, Inc.		$	280		$	282		$	282		$	129		$	188		$	(881	)		$	280

Condensed Consolidating Statement of Operations
Three Months Ended September 30, 2013
(in millions)


		Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
											Subsidiaries of			Guarantor			and				Subsidiaries
											DCL			Subsidiaries of Discovery			Eliminations
Revenues		$	—		$	—		$	463		$	914		$	—		$	(2	)		$	1,375

Costs of revenues, excluding depreciation and amortization		—			—			108			329			—			(2		)		435

Selling, general and administrative		3			(2		)	80			309			—			—				390

Depreciation and amortization		—			—			8			72			—			—				80

Restructuring and other charges		—			—			1			—			—			—				1

Gain on disposition		—			—			—			(19		)	—			—				(19		)

Total costs and expenses		3			(2		)	197			691			—			(2		)		887

Operating (loss) income		(3		)	2			266			223			—			—				488

Equity in earnings of subsidiaries		257			255			143			—			171			(826		)		—

Interest expense		—			—			(78		)	(2		)	—			—				(80		)

Income (loss) from equity investees, net		—			—			1			(1		)	—			—				—

Other income, net		—			—			4			7			—			—				11

Income from continuing operations before income taxes		254			257			336			227			171			(826		)		419

Benefit from (provision for) income taxes		1			—			(81		)	(83		)	—			—				(163		)

Net income		255			257			255			144			171			(826		)		256

Net income attributable to noncontrolling interests		—			—			—			—			—			(1		)		(1		)

Net income available to Discovery Communications, Inc.		$	255		$	257		$	255		$	144		$	171		$	(827	)		$	255

Condensed Consolidating Statement of Operations
Nine Months Ended September 30, 2014
(in millions)


		Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
											Subsidiaries of			Guarantor			and				Subsidiaries
											DCL			Subsidiaries of Discovery			Eliminations
Revenues		$	—		$	—		$	1,414		$	3,181		$	—		$	(6	)		$	4,589

Costs of revenues, excluding depreciation and amortization		—			—			337			1,194			—			(5		)		1,526

Selling, general and administrative		11			—			158			1,079			—			(1		)		1,247

Depreciation and amortization		—			—			24			219			—			—				243

Restructuring and other charges		—			—			1			18			—			—				19

Gain on disposition		—			—			—			(31		)	—			—				(31		)

Total costs and expenses		11			—			520			2,479			—			(6		)		3,004

Operating (loss) income		(11		)	—			894			702			—			—				1,585

Equity in earnings of subsidiaries		896			896			434			—			597			(2,823		)		—

Interest expense		—			—			(241		)	(6		)	—			—				(247		)

Income from equity investees, net		—			—			9			25			—			—				34

Other income (expense), net		—			—			26			(15		)	—			—				11

Income from continuing operations before income taxes		885			896			1,122			706			597			(2,823		)		1,383

Benefit from (provision for) income taxes		4			—			(226		)	(259		)	—			—				(481		)

Net income		889			896			896			447			597			(2,823		)		902

Net income attributable to noncontrolling interests		—			—			—			—			—			(2		)		(2		)

Net income attributable to redeemable noncontrolling interests		—			—			—			—			—			(11		)		(11		)

Net income available to Discovery Communications, Inc.		$	889		$	896		$	896		$	447		$	597		$	(2,836	)		$	889

Condensed Consolidating Statement of Operations
Nine Months Ended September 30, 2013
(in millions)


		Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
											Subsidiaries of			Guarantor			and				Subsidiaries
											DCL			Subsidiaries of Discovery			Eliminations
Revenues		$	—		$	—		$	1,390		$	2,615		$	—		$	(7	)		$	3,998

Costs of revenues, excluding depreciation and amortization		—			—			334			886			—			(6		)		1,214

Selling, general and administrative		12			—			201			937			—			(1		)		1,149

Depreciation and amortization		—			—			26			164			—			—				190

Restructuring and other charges		—			—			1			10			—			—				11

Gain on disposition		—			—			—			(19		)	—			—				(19		)

Total costs and expenses		12			—			562			1,978			—			(7		)		2,545

Operating (loss) income		(12		)	—			828			637			—			—				1,453

Equity in earnings of subsidiaries		794			794			467			—			529			(2,584		)		—

Interest expense		—			—			(223		)	(5		)	—			—				(228		)

Income (loss) from equity investees, net		—			—			3			(12		)	—			—				(9		)

Other (expense) income, net		—			—			(50		)	111			—			—				61

Income from continuing operations before income taxes		782			794			1,025			731			529			(2,584		)		1,277

Benefit from (provision for) income taxes		4			—			(231		)	(263		)	—			—				(490		)

Net income		786			794			794			468			529			(2,584		)		787

Net income attributable to noncontrolling interests		—			—			—			—			—			(1		)		(1		)

Net income available to Discovery Communications, Inc.		$	786		$	794		$	794		$	468		$	529		$	(2,585	)		$	786

Condensed Consolidating Statement of Comprehensive Income
Three Months Ended September 30, 2014
(in millions)


		Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
											Subsidiaries of			Guarantor			and				Subsidiaries
											DCL			Subsidiaries of Discovery			Eliminations
Net income		$	280		$	282		$	282		$	129		$	188		$	(874	)		$	287

Other comprehensive (loss) income, net of tax:
Currency translation adjustments		(187		)	(187		)	(187		)	(185		)	(125		)	684				(187		)

Derivative and market value adjustments		3			3			3			5			2			(13		)		3

Comprehensive income (loss)		96			98			98			(51		)	65			(203		)		103

Comprehensive income attributable to redeemable noncontrolling interests		27			27			27			27			18			(106		)		20

Comprehensive income attributable to Discovery Communications, Inc.		$	123		$	125		$	125		$	(24	)	$	83		$	(309	)		$	123

Condensed Consolidating Statement of Comprehensive Income
Three Months Ended September 30, 2013
(in millions)


		Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
											Subsidiaries of			Guarantor			and				Subsidiaries
											DCL			Subsidiaries of Discovery			Eliminations
Net income		$	255		$	257		$	255		$	144		$	171		$	(826	)		$	256

Other comprehensive income, net of tax:
Currency translation adjustments		104			104			104			105			69			(382		)		104

Comprehensive income		359			361			359			249			240			(1,208		)		360

Comprehensive income attributable to noncontrolling interests		—			—			—			—			—			(1		)		(1		)

Comprehensive income attributable to Discovery Communications, Inc.		$	359		$	361		$	359		$	249		$	240		$	(1,209	)		$	359

Condensed Consolidating Statement of Comprehensive Income
Nine Months Ended September 30, 2014
(in millions)


		Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
											Subsidiaries of			Guarantor			and				Subsidiaries
											DCL			Subsidiaries of Discovery			Eliminations
Net income		$	889		$	896		$	896		$	447		$	597		$	(2,823	)		$	902

Other comprehensive (loss) income, net of tax:
Currency translation adjustments		(219		)	(219		)	(219		)	(217		)	(146		)	801				(219		)

Derivative and market value adjustments		(6		)	(6		)	(6		)	3			(4		)	13				(6		)

Comprehensive income		664			671			671			233			447			(2,009		)		677

Comprehensive income attributable to noncontrolling interests		—			—			—			—			—			(2		)		(2		)

Comprehensive income attributable to redeemable noncontrolling interests		26			26			26			26			17			(106		)		15

Comprehensive income attributable to Discovery Communications, Inc.		$	690		$	697		$	697		$	259		$	464		$	(2,117	)		$	690

Condensed Consolidating Statement of Comprehensive Income
Nine Months Ended September 30, 2013
(in millions)


		Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
											Subsidiaries of			Guarantor			and				Subsidiaries
											DCL			Subsidiaries of Discovery			Eliminations
Net income		$	786		$	794		$	794		$	468		$	529		$	(2,584	)		$	787

Other comprehensive (loss) income, net of tax:
Currency translation adjustments		(3		)	(3		)	(3		)	(1		)	(2		)	9				(3		)

Derivative and market value adjustments		6			6			6			9			4			(25		)		6

Comprehensive income		789			797			797			476			531			(2,600		)		790

Comprehensive income attributable to noncontrolling interests		—			—			—			—			—			(1		)		(1		)

Comprehensive loss attributable to redeemable noncontrolling interests		1			1			1			1			1			(4		)		1

Comprehensive income attributable to Discovery Communications, Inc.		$	790		$	798		$	798		$	477		$	532		$	(2,605	)		$	790

Condensed Consolidating Statement of Cash Flows
Nine Months Ended September 30, 2014
(in millions)


		Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
											Subsidiaries of			Guarantor			and				Subsidiaries
											DCL			Subsidiaries of Discovery			Eliminations
Operating Activities
Cash provided by operating activities		$	91		$	6		$	360		$	436		$	—		$	—			$	893

Investing Activities
Purchases of property and equipment		—			—			(17		)	(68		)	—			—				(85		)

Business acquisitions, net of cash acquired		—			—			(64		)	(305		)	—			—				(369		)

Proceeds from disposition		—			—			—			45			—			—				45

Distributions from equity method investees		—			—			—			58			—			—				58

Investments in equity method investees, net		—			—			(4		)	(170		)	—			—				(174		)

Other investing activities, net		—			—			—			(4		)	—			—				(4		)

Cash used in investing activities		—			—			(85		)	(444		)	—			—				(529		)

Financing Activities
Borrowings from debt, net of discount and issuance costs		—			—			409			—			—			—				409

Borrowings under revolving credit facility		—			—			—			145			—			—				145

Commercial paper, net		—			—			126			—			—			—				126

Principal repayments of capital lease obligations		—			—			(3		)	(10		)	—			—				(13		)

Repurchases of stock		(1,067		)	—			—			—			—			—				(1,067		)

Cash proceeds from equity-based plans, net		39			—			—			—			—			—				39

Inter-company contributions and other financing activities, net		937			(6		)	(898		)	(41		)	—			—				(8		)

Cash (used in) provided by financing activities		(91		)	(6		)	(366		)	94			—			—				(369		)

Effect of exchange rate changes on cash and cash equivalents		—			—			—			(27		)	—			—				(27		)

Net change in cash and cash equivalents		—			—			(91		)	59			—			—				(32		)

Cash and cash equivalents, beginning of period		—			—			123			285			—			—				408

Cash and cash equivalents, end of period		$	—		$	—		$	32		$	344		$	—		$	—			$	376

Condensed Consolidating Statement of Cash Flows
Nine Months Ended September 30, 2013
(in millions)


		Discovery			DCH			DCL			Non-Guarantor			Other Non-			Reclassifications				Discovery and
											Subsidiaries of			Guarantor			and				Subsidiaries
											DCL			Subsidiaries of Discovery			Eliminations
Operating Activities
Cash provided by (used in) operating activities		$	23		$	(13	)	$	256		$	664		$	—		$	—			$	930

Investing Activities
Purchases of property and equipment		—			—			(17		)	(59		)	—			—				(76		)

Business acquisitions, net of cash acquired		—			—			—			(1,832		)	—			—				(1,832		)

Hedging instruments, net		—			—			(55		)	—			—			—				(55		)

Proceeds from disposition		—			—			—			28			—			—				28

Distributions from equity method investees		—			—			—			23			—			—				23

Investments in equity method investees, net		—			—			—			(28		)	—			—				(28		)

Other investing activities, net		—			—			—			(1		)	—			—				(1		)

Cash used in investing activities		—			—			(72		)	(1,869		)	—			—				(1,941		)

Financing Activities
Borrowings from debt, net of discount and issuance costs		—			—			1,186			—			—			—				1,186

Principal repayments of capital lease obligations		—			—			(5		)	(16		)	—			—				(21		)

Repurchases of stock		(969		)	—			—			—			—			—				(969		)

Cash proceeds from equity-based plans, net		61			—			—			—			—			—				61

Inter-company contributions and other financing activities, net		885			13			(2,237		)	1,336			—			—				(3		)

Cash (used in) provided by financing activities		(23		)	13			(1,056		)	1,320			—			—				254

Effect of exchange rate changes on cash and cash equivalents		—			—			—			(5		)	—			—				(5		)

Net change in cash and cash equivalents		—			—			(872		)	110			—			—				(762		)

Cash and cash equivalents, beginning of period		—			—			1,022			179			—			—				1,201

Cash and cash equivalents, end of period		$	—		$	—		$	150		$	289		$	—		$	—			$	439

Description_Of_Business_And_Ba1

Description Of Business And Basis Of Presentation (Policies)	9 Months Ended
	Sep. 30, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]	'
Use Of Estimates	'
	Use of Estimates
	The preparation of financial statements in accordance with GAAP requires management to make estimates, judgments and assumptions that affect the amounts and disclosures reported in the consolidated financial statements and accompanying notes. Management continually re-evaluates its estimates, judgments and assumptions, and management’s assessments could change. Actual results may differ materially from those estimates.
	Estimates inherent in the preparation of the consolidated financial statements include accounting for asset impairments, revenue recognition, allowances for doubtful accounts, content rights, depreciation and amortization, business combinations, equity-based compensation, income taxes, other financial instruments, contingencies, and the determination of whether the Company is the primary beneficiary of entities in which it holds variable interests.
Accounting And Reporting Pronouncements Adopted	'
	Accounting and Reporting Pronouncements Adopted
	Reporting Discontinued Operations
	In April 2014, the Financial Accounting Standards Board ("FASB") issued guidance that changes the criteria for reporting discontinued operations and requires additional disclosures about discontinued operations and disposals of components of an entity that do not qualify for discontinued operations reporting. Under the new pronouncement, disposal of a component of an entity representing a strategic shift with major effect on its operations and financial results is a discontinued operation. The Company prospectively adopted the new guidance effective July 1, 2014. The Company will assess future dispositions under the new guidance.
	Presentation of Unrecognized Tax Benefits
	In July 2013, the FASB issued guidance stating that a liability related to an unrecognized tax benefit should be presented as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carry forward to the extent such deferred tax asset is available at the reporting date to settle any additional income taxes that would result from the disallowance of a tax position. The Company prospectively adopted the new guidance effective January 1, 2014. Liabilities of $12 million related to unrecognized tax benefits are reducing deferred tax assets that are reflected in net noncurrent deferred income tax liabilities on the consolidated balance sheet as of September 30, 2014.
Accounting and Reporting Pronouncements Not Yet Adopted	'
	Accounting and Reporting Pronouncements Not Yet Adopted
	Presentation of Financial Statements - Going Concern
	In August 2014, the FASB issued guidance requiring management to perform interim and annual assessments regarding conditions or events that raise substantial doubt about the Company's ability to continue as a going concern and to provide related disclosures, if applicable. The new standard will be effective for reporting periods beginning after December 15, 2016, with early adoption permitted. The adoption of this standard is not expected to have a material effect on the Company's consolidated financial statements.
	Revenue from Contracts with Customers
	In May 2014, the FASB issued an accounting pronouncement related to revenue recognition, which applies a single, comprehensive revenue recognition model for all contracts with customers. This standard contains principles with respect to the measurement of revenue and timing of recognition. The Company will recognize revenue to reflect the transfer of goods or services to customers at an amount that it expects to be entitled to receive in exchange for those goods or services. This pronouncement is effective for fiscal years, and interim periods within those years, beginning after December 15, 2016. Early adoption is not permitted. The Company is currently evaluating the impact that the pronouncement will have on the consolidated financial statements.
Concentrations Risk	'
	Concentrations Risk
	Customers
	The Company has long-term contracts with distributors around the world, including the largest distributors in the U.S. and major international distributors. In the U.S., approximately 90% of distribution revenues come from the top 10 distributors. Outside of the U.S., approximately 50% of distribution revenue comes from the top 10 distributors. Agreements in place with the major cable and satellite operators in the U.S. expire at various times beginning in 2014 through 2020. Failure to secure a renewal or a renewal on less favorable terms may have a material adverse effect on the Company’s financial condition and results of operations. Not only could the Company experience a reduction in distribution revenue, but it could also experience a reduction in advertising revenue, which is impacted by affiliate subscriber levels and viewership.
	No individual customer accounted for more than 10% of total consolidated revenues for the three and nine months ended September 30, 2014 or 2013. As of September 30, 2014 and December 31, 2013, the Company’s trade receivables do not represent a significant concentration of credit risk as the customers and markets in which the Company operates are varied and dispersed across many geographic areas.
	Financial Institutions
	Cash and cash equivalents are maintained with several financial institutions. The Company has deposits held with banks that exceed the amount of insurance provided on such deposits. Generally, these deposits may be redeemed upon demand and are maintained with financial institutions of reputable credit and, therefore, bear minimal credit risk.
	Lender Counterparties
	There is a risk that the counterparties associated with the Company’s revolving credit facility will not be available to fund as obligated under the terms of the facility. If funding under the revolving credit facility is unavailable, the Company may have to acquire a replacement credit facility from different counterparties at a higher cost or may be unable to find a suitable replacement and may have limited or no access to the commercial paper market. Typically, the Company seeks to manage these exposures by contracting with experienced large financial institutions and monitoring the credit quality of its lenders. As of September 30, 2014, the Company did not anticipate nonperformance by any of its counterparties.

Derivative_Financial_Instrumen1

Derivative Financial Instruments (Policies)	9 Months Ended
Derivative Financial Instruments (Policies)	Sep. 30, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'
Derivatives, Policy [Policy Text Block]	'
Derivatives, Policy [Policy Text Block]	The Company may use derivative financial instruments to modify its exposure to market risks from changes in foreign exchange rates and interest rates. The Company does not enter into or hold derivative financial instruments for speculative trading purposes.
Derivatives, Offsetting Fair Value Amounts, Policy [Policy Text Block]	'
	The Company records all unsettled derivative contracts on the consolidated balance sheet at fair value (see Note 4); derivatives in an asset position are classified as assets, and derivatives in a liability position are classified as liabilities. The Company's master netting agreements allow the Company to settle derivative contracts denominated in the same currency with a single counterparty on the same day on a net basis.

Redeemable_Noncontrolling_Inte1

Redeemable Noncontrolling Interests (Policies)	9 Months Ended
Redeemable Noncontrolling Interests (Policies)	Sep. 30, 2014
Noncontrolling Interest [Abstract]	'
Redeemable noncontrolling interests [Policy Text Block]	'
Redeemable noncontrolling interests [Policy Text Block]	Redeemable noncontrolling interests reflected as of the balance sheet date are the greater of the noncontrolling interest balances adjusted for comprehensive income items and distributions or the redemption values remeasured at the period end foreign exchange rates (i.e., the "floor"). Adjustments to the carrying amount of redeemable noncontrolling interests to redemption value as a result of changes in exchange rates are reflected in currency translation adjustments, a component of other comprehensive (loss) income; however, such currency translation adjustments to redemption value are allocated to Discovery stockholders only. Redeemable noncontrolling interest adjustments of redemption value to the floor are reflected in retained earnings. The adjustment of redemption value to the floor that reflects a redemption in excess of fair value is included as an adjustment to income from continuing operations available to Discovery Communications, Inc. stockholders in the calculation of earnings per share.

Equity_Policies

Equity (Policies)	9 Months Ended
Equity (Policies)	Sep. 30, 2014
Equity [Abstract]	'
Treasury Stock [Policy Text Block]	'
Treasury Stock [Policy Text Block]	Repurchased common stock is recorded in treasury stock on the consolidated balance sheet.

Earnings_Per_Share_Policies

Earnings Per Share (Policies)	9 Months Ended
Earnings Per Share (Policies)	Sep. 30, 2014
Earnings Per Share [Abstract]	'
Earnings Per Share, Policy [Policy Text Block]	'
	The weighted average number of diluted shares outstanding adjusts the weighted average number of shares of Series A, B and C common stock outstanding for the potential dilution that would occur if common stock equivalents, including convertible preferred stock and equity-based awards, were converted into common stock or exercised, calculated using the treasury stock method. Series A, B and C diluted common stock includes the impact of the conversion of Series A preferred stock, the impact of the conversion of Series C preferred stock, and the impact of stock-based compensation. Only outstanding PRSUs whose performance targets have been achieved as of the last day of the most recent period are included in the dilutive effect calculation. The weighted-average number of diluted shares outstanding of Series C convertible preferred stock is equal to the weighted-average number of basic shares, as there are no securities that are convertible into Series C convertible preferred stock.
	The Company follows the two-class method in calculating earnings per share. The two-class method calculates earnings per share by distinguishing between the classes of common securities based on the proportionate participation rights of each security type in the Company's undistributed income. The Company's Series A, B and C common stock are treated as one class for purposes of applying the two-class method, because they have identical economic rights. The second class is the Company's Series C convertible preferred stock. Holders of Series C convertible preferred stock have substantially equal rights as holders of Series C common stock and share equally on an as converted to Series C common stock basis with holders of Series A, B and C common stock with respect to income available to Discovery Communications, Inc. Following the 2014 Share Dividend on August 6, 2014, each share of Series C convertible preferred stock was convertible into two shares of Series C common stock. As a result of the change in conversion ratio, which did not impact the economic rights of any of the stockholders, the Company recast all prior period earnings per share presentations to be consistent with the current period.

Reportable_Segments_Policies

Reportable Segments (Policies)	9 Months Ended
Reportable Segments (Policies)	Sep. 30, 2014
Segment Reporting [Abstract]	'
Segment Reporting, Policy [Policy Text Block]	'
Segment Reporting, Policy [Policy Text Block]	The accounting policies of the reportable segments are the same as the Company’s, except that certain inter-segment transactions that are eliminated for consolidation are not eliminated at the segment level as they are treated as a third-party sales transactions in determining segment performance. Inter-segment transactions, which primarily include the purchase of advertising and content between segments, were not significant for the periods presented.
Adjusted OIBDA, Policy [Policy Text Block]	'
Adjusted OIBDA, Policy [Policy Text Block]	The Company believes Adjusted OIBDA is relevant to investors because it allows them to analyze the operating performance of each segment using the same metric management uses. The Company excludes mark-to-market equity-based compensation, exit and restructuring charges, certain impairment charges, and gains and losses on business and asset dispositions from the calculation of Adjusted OIBDA due to their volatility. The Company also excludes depreciation of fixed assets, amortization of intangible assets and deferred launch incentives, as these amounts do not represent cash payments in the current reporting period.

Acquisitions_And_Dispositions_

Acquisitions And Dispositions (Tables)	9 Months Ended
Acquisitions And Dispositions (Tables)	Sep. 30, 2014
Business Acquisition [Line Items]	'
Schedule of Results of Operations for Business Combinations Included in Consolidated Results [Table Text Block]	'
	The following table presents the revenue and earnings of the businesses acquired as reported within the consolidated financial statements for the three and nine months ended September 30, 2014 and 2013 (in millions).


		Three Months Ended September 30,					Nine Months Ended September 30,
		2014			2013		2014		2013
	Revenues:
	Distribution	$	146		$	59	$	294	$	127
	Distribution	$	146		$	59	$	294	$	127
	Advertising	162			126		499		266
	Advertising	162			126		499		266
	Other	45			4		78		9
	Other	45			4		78		9
	Total revenues	$	353		$	189	$	871	$	402
	Total revenues	$	353		$	189	$	871	$	402
	Net income	$	12		$	12	$	42	$	37
	Net income	$	12		$	12	$	42	$	37
Schedule of Pro Forma Information [Table Text Block]	'


		Pro forma					Pro forma
		Three Months Ended September 30,					Nine Months Ended September 30,
		2014			2013		2014		2013
	Revenue	$	1,590		$	1,560	$	4,883	$	4,709
	Revenue	$	1,590		$	1,560	$	4,883	$	4,709
	Net income	$	298		$	264	$	916	$	797
	Net income	$	298		$	264	$	916	$	797
Hub [Member]	'
Business Acquisition [Line Items]	'
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]	'
	The table below presents the fair value of the assets acquired, liabilities assumed and noncontrolling interest as presented in the table below (in millions).


		23-Sep-14
	Goodwill	$	309
	Goodwill	$	309
	Intangible assets	301
	Intangible assets	301
	Other assets acquired	97
	Other assets acquired	97
	Cash	33
	Cash	33
	Liabilities assumed	(125		)
	Redeemable noncontrolling interest	(238		)
	Carrying value of previously held equity interest	(313		)
	Net assets acquired	$	64
	Net assets acquired	$	64
Eurosport International [Member]	'
Business Acquisition [Line Items]	'
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]	'
	The Company used DCF analyses, which represent Level 3 fair value measurements, to preliminarily assess certain components of its purchase price allocation. The fair value of the assets acquired, liabilities assumed and noncontrolling interest acquired and calculation of the remeasurement gain on previously held equity interest is presented in the table below (in millions).


		May 30, 2014
	Goodwill	$	775
	Goodwill	$	775
	Intangible assets	467
	Intangible assets	467
	Other assets acquired	165
	Other assets acquired	165
	Cash	47
	Cash	47
	Removal of TF1 put right	27
	Removal of TF1 put right	27
	Currency translation adjustment	7
	Currency translation adjustment	7
	Remeasurement gain on previously held equity interest	(29		)
	Liabilities assumed	(154		)
	Deferred tax liabilities	(167		)
	Redeemable noncontrolling interest	(558		)
	Carrying value of previously held equity interest	(231		)
	Net assets acquired	$	349
	Net assets acquired	$	349
SBS Nordic [Member]	'
Business Acquisition [Line Items]	'
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]	'
	The table below presents the fair value allocation of the purchase price to the assets and liabilities acquired (in millions).


		9-Apr-13
	Goodwill	$	779
	Goodwill	$	779
	Intangible assets	1,001
	Intangible assets	1,001
	Content	248
	Content	248
	Other assets acquired	212
	Other assets acquired	212
	Cash	106
	Cash	106
	Liabilities assumed	(278		)
	Deferred tax liabilities	(243		)
	Redeemable noncontrolling interest	(6		)
	Net assets acquired	$	1,819
	Net assets acquired	$	1,819
Discovery Japan [Member]	'
Business Acquisition [Line Items]	'
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]	'
	The table below presents the allocation of the purchase price to the assets and liabilities acquired and calculation of a remeasurement gain on previously held equity interest (in millions).


		10-Jan-13
	Goodwill	$	103
	Goodwill	$	103
	Intangible assets	100
	Intangible assets	100
	Other assets acquired	25
	Other assets acquired	25
	Currency translation adjustment	6
	Currency translation adjustment	6
	Cash	4
	Cash	4
	Remeasurement gain on previously held equity interest	(92		)
	Liabilities assumed	(55		)
	Redeemable noncontrolling interest	(35		)
	Carrying value of previously held equity interest	(3		)
	Net assets acquired	$	53
	Net assets acquired	$	53

Fair_Value_Measurements_Tables

Fair Value Measurements (Tables)	9 Months Ended
	Sep. 30, 2014
Fair Value Disclosures [Abstract]	'
Schedule Of Assets And Liabilities Measured On Recurring Basis	'
	The tables below present assets and liabilities measured at fair value on a recurring basis (in millions).


			September 30, 2014
	Category	Balance Sheet Location	Level 1		Level 2		Level 3		Total
	Assets:
	Trading securities:
	Mutual funds	Prepaid expenses and other current assets	$	142	$	—	$	—	$	142

	Derivatives:
	Foreign exchange	Prepaid expenses and other current assets	—		9		—		9

	Foreign exchange	Other noncurrent assets	—		7		—		7

	Total		$	142	$	16	$	—	$	158

	Liabilities:
	Deferred compensation plan	Accrued liabilities	$	142	$	—	$	—	$	142

	Derivatives:
	Foreign exchange	Accrued liabilities	—		1		—		1

	Interest rate	Accrued liabilities	—		10		—		10

	TF1 put right	Accrued liabilities	—		—		4		4

	Total		$	142	$	11	$	4	$	157



			December 31, 2013
	Category	Balance Sheet Location	Level 1		Level 2		Level 3		Total
	Assets:
	Trading securities:
	Mutual funds	Prepaid expenses and other current assets	$	129	$	—	$	—	$	129

	Available-for-sale securities:
	Common stock	Other noncurrent assets	4		—		—		4

	Derivatives:
	Foreign exchange	Prepaid expenses and other current assets	—		4		—		4

	Foreign exchange	Other noncurrent assets	—		9		—		9

	Total		$	133	$	13	$	—	$	146

	Liabilities:
	Deferred compensation plan	Accrued liabilities	$	129	$	—	$	—	$	129

	Derivatives:
	Foreign exchange	Accrued liabilities	—		1		—		1

	TF1 put right	Accrued liabilities	—		—		20		20

	Total		$	129	$	1	$	20	$	150

Content_Rights_Tables

Content Rights (Tables)	9 Months Ended
	Sep. 30, 2014
Content Rights [Abstract]	'
Schedule Of Content Rights	'
	The table below presents the components of content rights (in millions).


		September 30, 2014			December 31, 2013
	Produced content rights:
	Completed	$	3,509		$	3,566

	In-production	398			334

	Coproduced content rights:
	Completed	671			637

	In-production	89			84

	Licensed content rights:
	Acquired	1,054			880

	Prepaid	101			48

	Content rights, at cost	5,822			5,549

	Accumulated amortization	(3,415		)	(3,389		)
	Total content rights, net	2,407			2,160

	Current portion	(379		)	(277		)
	Noncurrent portion	$	2,028		$	1,883

Schedule Of Content Expense	'
	Content expense consisted of the following (in millions).


		Three months ended September 30,						Nine months ended September 30,
		2014			2013			2014		2013
	Content amortization	$	372		$	301		$	1,061	$	831

	Other production charges	41			24			108		71

	Content impairments	6			7			22		19

	Total content expense	$	419		$	332		$	1,191	$	921

Debt_Tables

Debt (Tables)	9 Months Ended
	Sep. 30, 2014
Debt Disclosure [Abstract]	'
Outstanding Debt	'
	The table below presents the components of outstanding debt (in millions).


		September 30, 2014			December 31, 2013
	3.70% Senior Notes, semi-annual interest, due June 2015	$	850		$	850

	5.625% Senior Notes, semi-annual interest, due August 2019	500			500

	5.05% Senior Notes, semi-annual interest, due June 2020	1,300			1,300

	4.375% Senior Notes, semi-annual interest, due June 2021	650			650

	2.375% Senior Notes, euro denominated, annual interest, due March 2022	380			—

	3.30% Senior Notes, semi-annual interest, due May 2022	500			500

	3.25% Senior Notes, semi-annual interest, due April 2023	350			350

	6.35% Senior Notes, semi-annual interest, due June 2040	850			850

	4.95% Senior Notes, semi-annual interest, due May 2042	500			500

	4.875% Senior Notes, semi-annual interest, due April 2043	850			850

	Revolving credit facility	145			—

	Capital lease obligations	163			165

	Commercial paper	126			—

	Total debt	7,164			6,515

	Unamortized discount	(16		)	(16		)
	Debt, net	7,148			6,499

	Current portion of debt	(995		)	(17		)
	Noncurrent portion of debt	$	6,153		$	6,482

Derivative_Financial_Instrumen2

Derivative Financial Instruments (Tables)	9 Months Ended
	Sep. 30, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]	'
	The following table summarizes the notional amount and fair value of the Company's derivative positions (in millions).


				September 30, 2014								December 31, 2013
		Balance Sheet Location		Notional				Fair Value				Notional				Fair Value
	Derivatives designated as hedges:
	Foreign exchange	Prepaid expenses and other current assets		$	247			$	9			$	16			$	4

	Foreign exchange	Other noncurrent assets		$	98			$	7			$	36			$	9

	Foreign exchange	Accrued liabilities		$	41			$	1			$	—			$	—

	Interest rate	Accrued liabilities		$	425			$	10			$	—			$	—

	Derivatives not designated as hedges:
	Foreign exchange	Prepaid expenses and other current assets		$	4			$	—			$	—			$	—

	Foreign exchange	Accrued liabilities		$	3			$	—			$	4			$	1

	Foreign exchange	Other noncurrent liabilities		$	—			$	—			$	3			$	—

	TF1 put right	Accrued liabilities		$	76			$	4			$	574			$	20

Schedule of Derivative Instruments Designated as Cash Flow Hedges, Effect on Other Comprehensive Income (Loss) [Table Text Block]	'
	The following table presents the pretax impact of derivatives designated as cash flow hedges on income and other comprehensive (loss) income (in millions).


		Three Months Ended September 30,								Nine Months Ended September 30,
		2014				2013				2014				2013
	Gains (losses) recognized in accumulated other comprehensive (loss) income
	Foreign exchange	$	7			$	(1	)		$	3			$	5

	Interest rate	$	(3	)		$	—			$	(10	)		$	—

	(Losses) gains reclassified into income from accumulated other comprehensive (loss) income (effective portion)
	Foreign exchange - distribution revenue	$	(1	)		$	—			$	(2	)		$	—

	Foreign exchange - other income, net	$	1			$	1			$	2			$	1

Schedule of Gains (Losses) on Derivatives Not Designated as Hedges [Table Text Block]	'
	The following table presents the pretax gains (losses) on derivatives not designated as hedges and the TF1 put recognized in other income, net in the consolidated statements of operations (in millions).


		Three Months Ended September 30,								Nine Months Ended September 30,
		2014				2013				2014				2013
	Foreign exchange derivatives	$	1			$	—			$	1			$	(56	)

	TF1 put right	—				—				(7		)		—

	Total	$	1			$	—			$	(6	)		$	(56	)

Redeemable_Noncontrolling_Inte2

Redeemable Noncontrolling Interests (Tables)	9 Months Ended
	Sep. 30, 2014
Noncontrolling Interest [Abstract]	'
Redeemable Noncontrolling Interests [Table Text Block]	'
	The table below presents the reconciliation of changes in redeemable noncontrolling interests (in millions).


		Nine Months Ended September 30,
		2014			2013
	Beginning balance	$	36		$	—

	Initial fair value of redeemable noncontrolling interests of acquired businesses	796			35

	Purchase of subsidiary shares at fair value	(6		)	—

	Cash distributions to redeemable noncontrolling interests	(2		)	—

	Comprehensive income (loss) adjustments:
	Net income attributable to redeemable noncontrolling interests	11			—

	Other comprehensive loss attributable to redeemable noncontrolling interests	(26		)	(1		)
	Currency translation on redemption values	(40		)	(3		)
	Retained earnings adjustments:
	Adjustments to redemption value	16			1

	Ending balance	$	785		$	32

Equity_Tables

Equity (Tables)	9 Months Ended
	Sep. 30, 2014
Equity [Abstract]	'
Schedule of Treasury Stock by Class	'
	The table below presents a summary of stock repurchases (in millions).


			Three Months Ended September 30,						Nine Months Ended September 30,
			2014			2013			2014			2013
	Series A Common Stock:
	Shares repurchased		—			0.8			—			0.8

	Purchase price		$	—		$	62		$	—		$	62

	Series C Common Stock:
	Shares repurchased		3.3			5.2			13.4			9

	Purchase price		$	188		$	386		$	957		$	651

	Total shares repurchased		3.3			6			13.4			9.8

	Total purchase price		$	188		$	448		$	957		$	713

Components of Other Comprehensive (Loss) Income	'
	The table below presents the tax effects related to each component of other comprehensive (loss) income and reclassifications made in the consolidated statements of operations (in millions).


		Three Months Ended September 30, 2014									Three Months Ended September 30, 2013
		Pretax			Tax Benefit			Net-of-tax			Pretax			Tax Benefit (Provision)			Net-of-tax
					(Provision)
	Currency translation adjustments:
	Unrealized (losses) gains	$	(195	)	$	8		$	(187	)	$	117		$	(13	)	$	104

	Derivative and market value adjustments:
	Unrealized gains	4			(1		)	3			1			—			1

	Reclassifications to distribution revenue	1			—			1			—			—			—

	Reclassifications to other income, net	(1		)	—			(1		)	(1		)	—			(1		)

	Other comprehensive (loss) income	$	(191	)	$	7		$	(184	)	$	117		$	(13	)	$	104



		Nine Months Ended September 30, 2014									Nine Months Ended September 30, 2013
		Pretax			Tax Benefit			Net-of-tax			Pretax			Tax			Net-of-tax
					(Provision)									Benefit (Provision)
	Currency translation adjustments:
	Unrealized (losses) gains	$	(211	)	$	(1	)	$	(212	)	$	3		$	—		$	3

	Reclassifications to other income, net	(7		)	—			(7		)	(9		)	3			(6		)

	Derivative and market value adjustments:
	Unrealized (losses) gains	(5		)	2			(3		)	10			(3		)	7

	Reclassifications to distribution revenue	2			—			2			—			—			—

	Reclassifications to loss on disposition	(5		)	2			(3		)	—			—			—

	Reclassifications to other income, net	(2		)	—			(2		)	(1		)	—			(1		)

	Other comprehensive (loss) income	$	(228	)	$	3		$	(225	)	$	3		$	—		$	3

Accumulated Other Comprehensive (Loss) Income, Net Of Taxes	'
	The table below presents the changes in the components of accumulated other comprehensive (loss) income, net of taxes (in millions).


		Three Months Ended September 30, 2014									Three Months Ended September 30, 2013
		Currency Translation Adjustments			Derivative			Accumulated			Currency Translation Adjustments			Derivative			Accumulated
					and Market			Other						and Market			Other
					Value			Comprehensive						Value			Comprehensive
					Adjustments			Loss						Adjustments			(Loss) Income
	Beginning balance	$	(41	)	$	3		$	(38	)	$	(106	)	$	10		$	(96	)

	Other comprehensive (loss) income before reclassifications	(187		)	3			(184		)	104			1			105

	Reclassifications from accumulated other comprehensive (loss) income to net income	—			—			—			—			(1		)	(1		)

	Other comprehensive (loss) income	(187		)	3			(184		)	104			—			104

	Other comprehensive loss attributable to redeemable noncontrolling interests	28			(1		)	27			—			—			—

	Ending balance	$	(200	)	$	5		$	(195	)	$	(2	)	$	10		$	8



		Nine Months Ended September 30, 2014									Nine Months Ended September 30, 2013
		Currency Translation Adjustments			Derivative			Accumulated			Currency Translation Adjustments			Derivative			Accumulated
					and Market			Other						and Market			Other
					Value			Comprehensive						Value			Comprehensive
					Adjustments			Income (Loss)						Adjustments			Income (Loss)
	Beginning balance	$	(8	)	$	12		$	4		$	(1	)	$	5		$	4

	Other comprehensive (loss) income before reclassifications	(212		)	(3		)	(215		)	3			7			10

	Reclassifications from accumulated other comprehensive (loss) income to net income	(7		)	(3		)	(10		)	(6		)	(1		)	(7		)
	Other comprehensive (loss) income	(219		)	(6		)	(225		)	(3		)	6			3

	Other comprehensive loss attributable to redeemable noncontrolling interests	27			(1		)	26			2			(1		)	1

	Ending balance	$	(200	)	$	5		$	(195	)	$	(2	)	$	10		$	8

EquityBased_Compensation_Table

Equity-Based Compensation (Tables)	9 Months Ended
	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Equity-Based Compensation Expense	'
	The table below presents the components of equity-based compensation expense (in millions).


		Three Months Ended September 30,						Nine Months Ended September 30,
		2014			2013			2014			2013
	PRSUs and RSUs	$	17		$	7		$	42		$	28

	Stock options	4			6			19			19

	Unit awards	5			14			6			42

	SARs	6			17			(2		)	39

	ESPP	1			1			1			1

	Total equity-based compensation expense	$	33		$	45		$	66		$	129

	Tax benefit recognized	$	11		$	12		$	23		$	34

PRSUs And RSUs [Member]	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Stock-Based Compensation - Summary Of Activities	'
	The table below presents PRSU and RSU activity (in millions, except years and weighted-average grant price).


		PRSUs and		Weighted-Average			Weighted-Average		Aggregate
		RSUs		Grant			Remaining		Fair
				Price			Contractual		Value
							Term
							(years)
	Outstanding as of December 31, 2013	4.8		$	23

	Granted	3.2		41.6

	Converted	(1.4	)	19.41					$	59

	Forfeited	(0.2	)	35.91

	Outstanding as of September 30, 2014	6.4		$	32.67		1.1		$	242

	Vested and expected to vest as of September 30, 2014	6.2		$	32.52		1		$	233

Stock Options [Member]	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Stock-Based Compensation - Summary Of Activities	'
	The table below presents stock option activity (in millions, except years and weighted-average exercise price).


		Stock Options		Weighted-			Weighted-		Aggregate
				Average			Average		Intrinsic
				Exercise			Remaining		Value
				Price			Contractual
							Term
							(years)
	Outstanding as of December 31, 2013	15.2		$	18.23

	Granted	2		41.23

	Exercised	(2.2	)	13.77					$	60

	Forfeited	(0.2	)	30.04

	Outstanding as of September 30, 2014	14.8		$	21.91		4.1		$	243

	Vested and expected to vest as of September 30, 2014	14.4		$	21.53		4.1		$	238

	Exercisable as of September 30, 2014	10.5		$	16.79		3.6		$	221

Unit Awards [Member]	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Stock-Based Compensation - Summary Of Activities	'
	The table below presents unit award activity (in millions, except years and weighted-average grant price).


		Unit Awards		Weighted-			Weighted-		Aggregate
				Average			Average		Intrinsic
				Grant			Remaining		Value
				Price			Contractual
							Term
							(years)
	Outstanding as of December 31, 2013	3.3		$	19.23

	Settled	(2.1	)	18.48					$	52

	Outstanding as of September 30, 2014	1.2		$	20.59		0.3		$	21

	Vested and expected to vest as of September 30, 2014	1.2		$	20.59		0.3		$	21

SARs [Member]	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Stock-Based Compensation - Summary Of Activities	'
	The table below presents SAR award activity (in millions, except years and weighted-average grant price).


		SARs		Weighted-			Weighted-		Aggregate
				Average			Average		Intrinsic
				Grant			Remaining		Value
				Price			Contractual
							Term
							(years)
	Outstanding as of December 31, 2013	6.4		$	27.6

	Granted	7.5		43.24

	Settled	(1.8	)	26.78					$	29

	Outstanding as of September 30, 2014	12.1		$	37.38		1.5		$	45

	Vested and expected to vest as of September 30, 2014	12.1		$	37.38		1.5		$	45

Income_Taxes_Tables

Income Taxes (Tables)	9 Months Ended
Income Taxes (Tables)	Sep. 30, 2014
Income Tax Disclosure [Abstract]	'
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	'
	The following table reconciles the Company's effective income tax rate to the U.S. federal statutory income tax rate of 35%.


		Three Months Ended September 30,				Nine Months Ended September 30,
		2014		2013		2014		2013
	U.S. federal statutory income tax rate	35	%	35	%	35	%	35	%
	State and local income taxes, net of federal tax benefit	2	%	3	%	3	%	3	%
	Effect of foreign operations	1	%	1	%	1	%	1	%
	Domestic production activity deductions	(3	)%	(2	)%	(3	)%	(1	)%
	Change in uncertain tax positions	—	%	—	%	(1	)%	—	%
	Remeasurement gain on previously held equity interest	—	%	(2	)%	—	%	(2	)%
	Other, net	—	%	4	%	—	%	2	%
	Effective income tax rate	35	%	39	%	35	%	38	%

Earnings_Per_Share_Tables

Earnings Per Share (Tables)	9 Months Ended
	Sep. 30, 2014
Earnings Per Share [Abstract]	'
Schedule of basic and diluted earnings per share	'
	The table below sets forth the computation of the weighted average number of shares outstanding utilized in determining basic and diluted earnings per share (in millions, except per share amounts).


		Three Months Ended September 30,							Nine Months Ended September 30,
		2014				2013			2014			2013
	Numerator:
	Net income	$	287			$	256		$	902		$	787

	Less:
	Allocation of undistributed income to Series A convertible preferred stock	(58		)		(51		)	(183		)	(154		)
	Net income attributable to noncontrolling interests	—				(1		)	(2		)	(1		)

	Net income attributable to redeemable noncontrolling interests	(7		)		—			(11		)	—

	Redeemable noncontrolling interest adjustments to redemption value	—				—			(1		)	(1		)

	Net income available to Discovery Communications, Inc. Series A, B and C common and Series C convertible preferred stockholders for basic net income per share	$	222			$	204		$	705		$	631

	Net income allocable to Discovery Communications Inc. Series A, B and C common stockholders and Series C convertible preferred stockholders for basic net income per share:
	Series A, B and C common stockholders	186				173			592			533

	Series C convertible preferred stockholders	36				31			113			98

	Total	222				204			705			631


	Add back:
	Allocation of undistributed income to Series A convertible preferred stock	58				51			183			154

	Net income available to Discovery Communications, Inc. Series A, B and C common stockholders for diluted net income per share	$	280			$	255		$	888		$	785


	Denominator:
	Weighted average Series A, B and C common shares outstanding — basic	449				483			458			488

	Weighted average impact of assumed preferred stock conversion	227				229			228			231

	Weighted average dilutive effect of equity awards	6				7			7			8

	Weighted average Series A, B and C common shares outstanding — diluted	682				719			693			727

	Weighted average Series C convertible preferred stock outstanding — basic and diluted	43				44			44			45


	Basic net income per share available to Discovery Communications, Inc. Series A, B and C common and Series C convertible preferred stockholders:
	Series A, B and C common stockholders	$	0.41			$	0.36		$	1.29		$	1.09

	Series C convertible preferred stockholders	$	0.82			$	0.72		$	2.58		$	2.18


	Diluted net income per share available to Discovery Communications, Inc. Series A, B and C common and Series C convertible preferred stockholders:
	Series A, B and C common stockholders	$	0.41			$	0.35		$	1.28		$	1.08

	Series C convertible preferred stockholders(a)	$	0.82			$	0.7		$	2.56		$	2.16

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]	'
	The table below presents the details of the equity-based awards that were excluded from the calculation of diluted earnings per share (in millions).


		Three Months Ended September 30,						Nine Months Ended September 30,
		2014			2013			2014	2013
	Anti-dilutive stock options, PRSUs and RSUs	4			2			3	1

	PRSUs whose performance targets have not been achieved	4			2			3	2

Supplemental_Disclosures_Table

Supplemental Disclosures (Tables)	9 Months Ended
	Sep. 30, 2014
Disclosure Text Block Supplement [Abstract]	'
Schedule Of Accrued Liabilities	'
	Accrued liabilities consisted of the following (in millions).


		September 30, 2014			December 31, 2013
	Accrued payroll and related benefits	$	376		$	373

	Content rights payable	218			212

	Accrued interest	109			43

	Accrued income taxes	97			71

	Current portion of equity-based compensation liabilities	38			85

	Other accrued liabilities	202			208

	Total accrued liabilities	$	1,040		$	992

Schedule Of Other Income, Net	'
	Other income, net consisted of the following (in millions).


		Three Months Ended September 30,						Nine Months Ended September 30,
		2014			2013			2014			2013
	Foreign currency gains (losses), net	$	7		$	11		$	(5	)	$	24

	Gain (loss) on derivative instruments	1			—			(6		)	(56		)

	Remeasurement gain on previously held equity interest	—			—			29			92

	Other, net	(7		)	—			(7		)	1

	Total other income, net	$	1		$	11		$	11		$	61

Schedule of Cash Proceeds from Equity-Based Plans, Net	'
	Cash proceeds from equity-based plans, net consisted of the following (in millions).


		Nine Months Ended September 30,
		2014			2013
	Tax settlements associated with equity-based plans	$	(27	)	$	(22	)
	Excess tax benefits from equity-based compensation	30			40

	Proceeds from issuance of common stock for equity-based plans	36			43

	Total cash proceeds from equity-based plans, net	$	39		$	61

Related_Party_Transactions_Tab

Related Party Transactions (Tables)	9 Months Ended
	Sep. 30, 2014
Related Party Transactions [Abstract]	'
Schedule Of Related Party Transactions, Revenues and Expenses	'
	The table below presents a summary of the transactions with related parties (in millions).


		Three Months Ended September 30,				Nine Months Ended September 30,
		2014		2013		2014		2013
	Revenues and service charges:
	Liberty Group(a)	$	39	$	39	$	118	$	79

	Equity method investees	31		17		79		55

	Other	9		8		26		18

	Total revenues and service charges	$	79	$	64	$	223	$	152

	Interest income(b)	$	8	$	9	$	25	$	27

	Expenses	$	10	$	4	$	28	$	16




	(a) The increase in revenue from transactions with the Liberty Group for the nine months ended September 30, 2014 is primarily attributable to activity with Charter Communications, Inc. ("Charter") and Virgin Media, Inc. ("Virgin Media"). In May 2013, Liberty Media completed its equity method investment in Charter; Dr. Malone is on Charter's board of directors. In June 2013, Liberty Global announced it had completed its acquisition of Virgin Media. Transactions with Charter and Virgin Media have been reported as related party transactions since the date that they became related parties.
	(b) The Company records interest earnings from loans to equity method investees as a component of income (loss) from equity investees, net, in the consolidated statements of operations.
Schedules Of Related Party Transactions Receivables	'
	The table below presents receivables due from related parties (in millions).


		September 30, 2014		December 31, 2013
	Receivables	$	52	$	41

	Note receivable (see Note 3)	$	452	$	483

Reportable_Segments_Tables

Reportable Segments (Tables)	9 Months Ended
	Sep. 30, 2014
Segment Reporting [Abstract]	'
Schedule Of Revenues By Segment	'


		Three Months Ended September 30,						Nine Months Ended September 30,
		2014			2013			2014			2013
	U.S. Networks	$	724		$	733		$	2,209		$	2,212

	International Networks	818			620			2,291			1,716

	Education	27			22			90			73

	Corporate and inter-segment eliminations	(1		)	—			(1		)	(3		)

	Total revenues	$	1,568		$	1,375		$	4,589		$	3,998

Schedule Of Adjusted OIBDA By Segment	'


		Three Months Ended September 30,						Nine Months Ended September 30,
		2014			2013			2014			2013
	U.S. Networks	$	425		$	425		$	1,274		$	1,274

	International Networks	278			223			796			659

	Education	3			2			15			13

	Corporate and inter-segment eliminations	(72		)	(64		)	(232		)	(207		)
	Total Adjusted OIBDA	$	634		$	586		$	1,853		$	1,739

Schedule Of Reconciliation Of Adjusted OIBDA To Operating Income	'


		Three Months Ended September 30,						Nine Months Ended September 30,
		2014			2013			2014			2013
	Total Adjusted OIBDA	$	634		$	586		$	1,853		$	1,739

	Amortization of deferred launch incentives	(4		)	(4		)	(8		)	(14		)
	Mark-to-market equity-based compensation	(23		)	(32		)	(29		)	(90		)
	Depreciation and amortization	(85		)	(80		)	(243		)	(190		)
	Restructuring and other charges	(11		)	(1		)	(19		)	(11		)
	Gain on disposition	—			19			31			19

	Operating income	$	511		$	488		$	1,585		$	1,453

Schedule Of Total Assets By Segment	'


		September 30, 2014			December 31, 2013
	U.S. Networks	$	3,377		$	2,978

	International Networks	5,921			4,792

	Education	136			125

	Corporate and inter-segment eliminations	6,939			7,084

	Total assets	$	16,373		$	14,979

Condensed_Consolidating_Financ1

Condensed Consolidating Financial Statements (Tables)	9 Months Ended
	Sep. 30, 2014
Condensed Financial Information of Parent Company Only Disclosure [Abstract]	'
Condensed Consolidating Balance Sheet	'
	Condensed Consolidating Balance Sheet
	September 30, 2014
	(in millions)


			Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
															Subsidiaries of				Guarantor				and				Subsidiaries
															DCL				Subsidiaries of Discovery				Eliminations
	ASSETS
	Current assets:
	Cash and cash equivalents		$	—			$	—			$	32			$	344			$	—			$	—			$	376

	Receivables, net		—				—				434				1,030				—				—				1,464

	Content rights, net		—				—				10				369				—				—				379

	Deferred income taxes		—				—				38				49				—				—				87

	Prepaid expenses and other current assets		—				—				162				116				—				—				278

	Intercompany trade receivables, net		—				—				54				—				—				(54		)		—

	Total current assets		—				—				730				1,908				—				(54		)		2,584

	Investment in and advances to subsidiaries		5,931				5,943				8,015				—				3,967				(23,856		)		—

	Noncurrent content rights, net		—				—				639				1,389				—				—				2,028

	Goodwill		—				—				3,769				4,551				—				—				8,320

	Intangible assets, net		—				—				310				1,781				—				—				2,091

	Equity method investments		—				—				20				647				—				—				667

	Other noncurrent assets		—				20				154				529				—				(20		)		683

	Total assets		$	5,931			$	5,963			$	13,637			$	10,805			$	3,967			$	(23,930	)		$	16,373

	LIABILITIES AND EQUITY
	Current liabilities:
	Current portion of debt		$	—			$	—			$	980			$	15			$	—			$	—			$	995

	Other current liabilities		44				12				460				1,037				—				—				1,553

	Intercompany trade payables, net		—				—				—				54				—				(54		)		—

	Total current liabilities		44				12				1,440				1,106				—				(54		)		2,548

	Noncurrent portion of debt		—				—				5,871				282				—				—				6,153

	Other noncurrent liabilities		4				—				383				615				20				(20		)		1,002

	Total liabilities		48				12				7,694				2,003				20				(74		)		9,703

	Redeemable noncontrolling interests		—				—				—				785				—				—				785

	Equity attributable to Discovery Communications, Inc.		5,883				5,951				5,943				8,016				3,947				(23,857		)		5,883

	Noncontrolling interests		—				—				—				1				—				1				2

	Total equity		5,883				5,951				5,943				8,017				3,947				(23,856		)		5,885

	Total liabilities and equity		$	5,931			$	5,963			$	13,637			$	10,805			$	3,967			$	(23,930	)		$	16,373

Condensed Consolidating Balance Sheet
December 31, 2013
(in millions)


		Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
														Subsidiaries of				Guarantor				and				Subsidiaries
														DCL				Subsidiaries of Discovery				Eliminations
ASSETS
Current assets:
Cash and cash equivalents		$	—			$	—			$	123			$	285			$	—			$	—			$	408

Receivables, net		—				—				449				922				—				—				1,371

Content rights, net		—				—				12				265				—				—				277

Deferred income taxes		—				—				31				42				—				—				73

Prepaid expenses and other current assets		52				—				143				86				—				—				281

Intercompany trade receivables, net		—				—				286				—				—				(286		)		—

Total current assets		52				—				1,044				1,600				—				(286		)		2,410

Investment in and advances to subsidiaries		6,147				6,155				7,135				—				4,112				(23,549		)		—

Noncurrent content rights, net		—				—				615				1,268				—				—				1,883

Goodwill		—				—				3,769				3,572				—				—				7,341

Intangible assets, net		—				—				320				1,245				—				—				1,565

Equity method investments		—				—				330				757				—				—				1,087

Other noncurrent assets		—				19				173				521				—				(20		)		693

Total assets		$	6,199			$	6,174			$	13,386			$	8,963			$	4,112			$	(23,855	)		$	14,979

LIABILITIES AND EQUITY
Current liabilities:
Current portion of debt		$	—			$	—			$	5			$	12			$	—			$	—			$	17

Other current liabilities		1				6				421				849				—				—				1,277

Intercompany trade payables, net		—				—				—				286				—				(286		)		—

Total current liabilities		1				6				426				1,147				—				(286		)		1,294

Noncurrent portion of debt		—				—				6,343				139				—				—				6,482

Other noncurrent liabilities		2				—				462				505				21				(20		)		970

Total liabilities		3				6				7,231				1,791				21				(306		)		8,746

Redeemable noncontrolling interests		—				—				—				36				—				—				36

Equity attributable to Discovery Communications, Inc.		6,196				6,168				6,155				7,135				4,091				(23,549		)		6,196

Noncontrolling interests		—				—				—				1				—				—				1

Total equity		6,196				6,168				6,155				7,136				4,091				(23,549		)		6,197

Total liabilities and equity		$	6,199			$	6,174			$	13,386			$	8,963			$	4,112			$	(23,855	)		$	14,979

Condensed Consolidating Statement Of Operations	'
	Condensed Consolidating Statement of Operations
	Three Months Ended September 30, 2014
	(in millions)


			Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
															Subsidiaries of				Guarantor				and				Subsidiaries
															DCL				Subsidiaries of Discovery				Eliminations
	Revenues		$	—			$	—			$	465			$	1,104			$	—			$	(1	)		$	1,568

	Costs of revenues, excluding depreciation and amortization		—				—				108				423				—				(2		)		529

	Selling, general and administrative		4				—				47				380				—				1				432

	Depreciation and amortization		—				—				7				78				—				—				85

	Restructuring and other charges		—				—				—				11				—				—				11

	Total costs and expenses		4				—				162				892				—				(1		)		1,057

	Operating (loss) income		(4		)		—				303				212				—				—				511

	Equity in earnings of subsidiaries		282				282				122				—				188				(874		)		—

	Interest expense		—				—				(81		)		(2		)		—				—				(83		)

	Income from equity investees, net		—				—				3				10				—				—				13

	Other income (expense), net		—				—				20				(19		)		—				—				1

	Income from continuing operations before income taxes		278				282				367				201				188				(874		)		442

	Benefit from (provision for) income taxes		2				—				(85		)		(72		)		—				—				(155		)

	Net income		280				282				282				129				188				(874		)		287

	Net income attributable to redeemable noncontrolling interests		—				—				—				—				—				(7		)		(7		)

	Net income available to Discovery Communications, Inc.		$	280			$	282			$	282			$	129			$	188			$	(881	)		$	280

	Condensed Consolidating Statement of Operations
	Three Months Ended September 30, 2013
	(in millions)


			Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
															Subsidiaries of				Guarantor				and				Subsidiaries
															DCL				Subsidiaries of Discovery				Eliminations
	Revenues		$	—			$	—			$	463			$	914			$	—			$	(2	)		$	1,375

	Costs of revenues, excluding depreciation and amortization		—				—				108				329				—				(2		)		435

	Selling, general and administrative		3				(2		)		80				309				—				—				390

	Depreciation and amortization		—				—				8				72				—				—				80

	Restructuring and other charges		—				—				1				—				—				—				1

	Gain on disposition		—				—				—				(19		)		—				—				(19		)

	Total costs and expenses		3				(2		)		197				691				—				(2		)		887

	Operating (loss) income		(3		)		2				266				223				—				—				488

Equity in earnings of subsidiaries		257				255				143				—				171				(826		)		—

Interest expense		—				—				(78		)		(2		)		—				—				(80		)

Income (loss) from equity investees, net		—				—				1				(1		)		—				—				—

Other income, net		—				—				4				7				—				—				11

Income from continuing operations before income taxes		254				257				336				227				171				(826		)		419

Benefit from (provision for) income taxes		1				—				(81		)		(83		)		—				—				(163		)

Net income		255				257				255				144				171				(826		)		256

Net income attributable to noncontrolling interests		—				—				—				—				—				(1		)		(1		)

Net income available to Discovery Communications, Inc.		$	255			$	257			$	255			$	144			$	171			$	(827	)		$	255

Condensed Consolidating Statement of Operations
Nine Months Ended September 30, 2014
(in millions)


		Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
														Subsidiaries of				Guarantor				and				Subsidiaries
														DCL				Subsidiaries of Discovery				Eliminations
Revenues		$	—			$	—			$	1,414			$	3,181			$	—			$	(6	)		$	4,589

Costs of revenues, excluding depreciation and amortization		—				—				337				1,194				—				(5		)		1,526

Selling, general and administrative		11				—				158				1,079				—				(1		)		1,247

Depreciation and amortization		—				—				24				219				—				—				243

Restructuring and other charges		—				—				1				18				—				—				19

Gain on disposition		—				—				—				(31		)		—				—				(31		)

Total costs and expenses		11				—				520				2,479				—				(6		)		3,004

Operating (loss) income		(11		)		—				894				702				—				—				1,585

Equity in earnings of subsidiaries		896				896				434				—				597				(2,823		)		—

Interest expense		—				—				(241		)		(6		)		—				—				(247		)

Income from equity investees, net		—				—				9				25				—				—				34

Other income (expense), net		—				—				26				(15		)		—				—				11

Income from continuing operations before income taxes		885				896				1,122				706				597				(2,823		)		1,383

Benefit from (provision for) income taxes		4				—				(226		)		(259		)		—				—				(481		)

Net income		889				896				896				447				597				(2,823		)		902

Net income attributable to noncontrolling interests		—				—				—				—				—				(2		)		(2		)

Net income attributable to redeemable noncontrolling interests		—				—				—				—				—				(11		)		(11		)

Net income available to Discovery Communications, Inc.		$	889			$	896			$	896			$	447			$	597			$	(2,836	)		$	889

Condensed Consolidating Statement of Operations
Nine Months Ended September 30, 2013
(in millions)


		Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
														Subsidiaries of				Guarantor				and				Subsidiaries
														DCL				Subsidiaries of Discovery				Eliminations
Revenues		$	—			$	—			$	1,390			$	2,615			$	—			$	(7	)		$	3,998

Costs of revenues, excluding depreciation and amortization		—				—				334				886				—				(6		)		1,214

Selling, general and administrative		12				—				201				937				—				(1		)		1,149

Depreciation and amortization		—				—				26				164				—				—				190

Restructuring and other charges		—				—				1				10				—				—				11

Gain on disposition		—				—				—				(19		)		—				—				(19		)

Total costs and expenses		12				—				562				1,978				—				(7		)		2,545

Operating (loss) income		(12		)		—				828				637				—				—				1,453

Equity in earnings of subsidiaries		794				794				467				—				529				(2,584		)		—

Interest expense		—				—				(223		)		(5		)		—				—				(228		)

Income (loss) from equity investees, net		—				—				3				(12		)		—				—				(9		)

Other (expense) income, net		—				—				(50		)		111				—				—				61

Income from continuing operations before income taxes		782				794				1,025				731				529				(2,584		)		1,277

Benefit from (provision for) income taxes		4				—				(231		)		(263		)		—				—				(490		)

Net income		786				794				794				468				529				(2,584		)		787

Net income attributable to noncontrolling interests		—				—				—				—				—				(1		)		(1		)

Net income available to Discovery Communications, Inc.		$	786			$	794			$	794			$	468			$	529			$	(2,585	)		$	786

Condensed Consolidating Statement Of Comprehensive Income	'
	Condensed Consolidating Statement of Comprehensive Income
	Three Months Ended September 30, 2014
	(in millions)


			Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
															Subsidiaries of				Guarantor				and				Subsidiaries
															DCL				Subsidiaries of Discovery				Eliminations
	Net income		$	280			$	282			$	282			$	129			$	188			$	(874	)		$	287

	Other comprehensive (loss) income, net of tax:
	Currency translation adjustments		(187		)		(187		)		(187		)		(185		)		(125		)		684				(187		)

	Derivative and market value adjustments		3				3				3				5				2				(13		)		3

	Comprehensive income (loss)		96				98				98				(51		)		65				(203		)		103

	Comprehensive income attributable to redeemable noncontrolling interests		27				27				27				27				18				(106		)		20

	Comprehensive income attributable to Discovery Communications, Inc.		$	123			$	125			$	125			$	(24	)		$	83			$	(309	)		$	123


	Condensed Consolidating Statement of Comprehensive Income
	Three Months Ended September 30, 2013
	(in millions)


			Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
															Subsidiaries of				Guarantor				and				Subsidiaries
															DCL				Subsidiaries of Discovery				Eliminations
	Net income		$	255			$	257			$	255			$	144			$	171			$	(826	)		$	256

	Other comprehensive income, net of tax:
	Currency translation adjustments		104				104				104				105				69				(382		)		104

	Comprehensive income		359				361				359				249				240				(1,208		)		360

	Comprehensive income attributable to noncontrolling interests		—				—				—				—				—				(1		)		(1		)

	Comprehensive income attributable to Discovery Communications, Inc.		$	359			$	361			$	359			$	249			$	240			$	(1,209	)		$	359

	Condensed Consolidating Statement of Comprehensive Income
	Nine Months Ended September 30, 2014
	(in millions)


			Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
															Subsidiaries of				Guarantor				and				Subsidiaries
															DCL				Subsidiaries of Discovery				Eliminations
	Net income		$	889			$	896			$	896			$	447			$	597			$	(2,823	)		$	902

	Other comprehensive (loss) income, net of tax:
	Currency translation adjustments		(219		)		(219		)		(219		)		(217		)		(146		)		801				(219		)

	Derivative and market value adjustments		(6		)		(6		)		(6		)		3				(4		)		13				(6		)

	Comprehensive income		664				671				671				233				447				(2,009		)		677

	Comprehensive income attributable to noncontrolling interests		—				—				—				—				—				(2		)		(2		)

	Comprehensive income attributable to redeemable noncontrolling interests		26				26				26				26				17				(106		)		15

	Comprehensive income attributable to Discovery Communications, Inc.		$	690			$	697			$	697			$	259			$	464			$	(2,117	)		$	690

Condensed Consolidating Statement of Comprehensive Income
Nine Months Ended September 30, 2013
(in millions)


		Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
														Subsidiaries of				Guarantor				and				Subsidiaries
														DCL				Subsidiaries of Discovery				Eliminations
Net income		$	786			$	794			$	794			$	468			$	529			$	(2,584	)		$	787

Other comprehensive (loss) income, net of tax:
Currency translation adjustments		(3		)		(3		)		(3		)		(1		)		(2		)		9				(3		)

Derivative and market value adjustments		6				6				6				9				4				(25		)		6

Comprehensive income		789				797				797				476				531				(2,600		)		790

Comprehensive income attributable to noncontrolling interests		—				—				—				—				—				(1		)		(1		)

Comprehensive loss attributable to redeemable noncontrolling interests		1				1				1				1				1				(4		)		1

Comprehensive income attributable to Discovery Communications, Inc.		$	790			$	798			$	798			$	477			$	532			$	(2,605	)		$	790

Condensed Consolidating Statement Of Cash Flows	'
	Condensed Consolidating Statement of Cash Flows
	Nine Months Ended September 30, 2014
	(in millions)


			Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
															Subsidiaries of				Guarantor				and				Subsidiaries
															DCL				Subsidiaries of Discovery				Eliminations
	Operating Activities
	Cash provided by operating activities		$	91			$	6			$	360			$	436			$	—			$	—			$	893

	Investing Activities
	Purchases of property and equipment		—				—				(17		)		(68		)		—				—				(85		)

	Business acquisitions, net of cash acquired		—				—				(64		)		(305		)		—				—				(369		)

	Proceeds from disposition		—				—				—				45				—				—				45

	Distributions from equity method investees		—				—				—				58				—				—				58

	Investments in equity method investees, net		—				—				(4		)		(170		)		—				—				(174		)

	Other investing activities, net		—				—				—				(4		)		—				—				(4		)

	Cash used in investing activities		—				—				(85		)		(444		)		—				—				(529		)

	Financing Activities
	Borrowings from debt, net of discount and issuance costs		—				—				409				—				—				—				409

	Borrowings under revolving credit facility		—				—				—				145				—				—				145

	Commercial paper, net		—				—				126				—				—				—				126

	Principal repayments of capital lease obligations		—				—				(3		)		(10		)		—				—				(13		)

	Repurchases of stock		(1,067		)		—				—				—				—				—				(1,067		)

	Cash proceeds from equity-based plans, net		39				—				—				—				—				—				39

	Inter-company contributions and other financing activities, net		937				(6		)		(898		)		(41		)		—				—				(8		)

	Cash (used in) provided by financing activities		(91		)		(6		)		(366		)		94				—				—				(369		)

	Effect of exchange rate changes on cash and cash equivalents		—				—				—				(27		)		—				—				(27		)

	Net change in cash and cash equivalents		—				—				(91		)		59				—				—				(32		)

	Cash and cash equivalents, beginning of period		—				—				123				285				—				—				408

	Cash and cash equivalents, end of period		$	—			$	—			$	32			$	344			$	—			$	—			$	376

	Condensed Consolidating Statement of Cash Flows
	Nine Months Ended September 30, 2013
	(in millions)


			Discovery				DCH				DCL				Non-Guarantor				Other Non-				Reclassifications				Discovery and
															Subsidiaries of				Guarantor				and				Subsidiaries
															DCL				Subsidiaries of Discovery				Eliminations
	Operating Activities
	Cash provided by (used in) operating activities		$	23			$	(13	)		$	256			$	664			$	—			$	—			$	930

	Investing Activities
Purchases of property and equipment		—				—				(17		)		(59		)		—				—				(76		)

Business acquisitions, net of cash acquired		—				—				—				(1,832		)		—				—				(1,832		)

Hedging instruments, net		—				—				(55		)		—				—				—				(55		)

Proceeds from disposition		—				—				—				28				—				—				28

Distributions from equity method investees		—				—				—				23				—				—				23

Investments in equity method investees, net		—				—				—				(28		)		—				—				(28		)

Other investing activities, net		—				—				—				(1		)		—				—				(1		)

Cash used in investing activities		—				—				(72		)		(1,869		)		—				—				(1,941		)

Financing Activities
Borrowings from debt, net of discount and issuance costs		—				—				1,186				—				—				—				1,186

Principal repayments of capital lease obligations		—				—				(5		)		(16		)		—				—				(21		)

Repurchases of stock		(969		)		—				—				—				—				—				(969		)

Cash proceeds from equity-based plans, net		61				—				—				—				—				—				61

Inter-company contributions and other financing activities, net		885				13				(2,237		)		1,336				—				—				(3		)

Cash (used in) provided by financing activities		(23		)		13				(1,056		)		1,320				—				—				254

Effect of exchange rate changes on cash and cash equivalents		—				—				—				(5		)		—				—				(5		)

Net change in cash and cash equivalents		—				—				(872		)		110				—				—				(762		)

Cash and cash equivalents, beginning of period		—				—				1,022				179				—				—				1,201

Cash and cash equivalents, end of period		$	—			$	—			$	150			$	289			$	—			$	—			$	439

Description_Of_Business_And_Ba2

Description Of Business And Basis Of Presentation (Details) (USD $)	0 Months Ended	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Aug. 06, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
		Customers	Customers	Customers	Customers
				segments
Organization, Consolidation and Presentation of Financial Statements [Abstract]	'	'	'	'	'
Number Of Reportable Segments	'	'	'	3	'
Concentration Risk [Line Items]	'	'	'	'	'
Foreign currency gains, net	'	$7	$11	($5)	$24
Stockholders' Equity Note, Stock Split, Conversion Ratio	2	'	'	'	'
Reclassification of liabilities related to unrecognized tax benefits to deferred tax assets due to adoption of new guidance	'	12	'	12	'
Concentration Risk, number of customers	'	0	0	0	0
Sales [Member]	'	'	'	'	'
Concentration Risk [Line Items]	'	'	'	'	'
Concentration Risk, Percentage	'	10.00%	10.00%	10.00%	10.00%
U.S. Networks [Member]	'	'	'	'	'
Concentration Risk [Line Items]	'	'	'	'	'
Number Of Cable And Satellite Operators United States	'	'	'	10	'
U.S. Networks [Member] \| Distribution Revenue [Member]	'	'	'	'	'
Concentration Risk [Line Items]	'	'	'	'	'
Concentration Risk, Percentage	'	'	'	90.00%	'
International Networks [Member]	'	'	'	'	'
Concentration Risk [Line Items]	'	'	'	'	'
Number Of Cable And Satellite Operators Non United States	'	'	'	10	'
International Networks [Member] \| Distribution Revenue [Member]	'	'	'	'	'
Concentration Risk [Line Items]	'	'	'	'	'
Concentration Risk, Percentage	'	'	'	50.00%	'
Series C Common Stock [Member]	'	'	'	'	'
Concentration Risk [Line Items]	'	'	'	'	'
Stock Issued During Period, Value, Stock Dividend	2	'	'	'	'
Decrease to APIC resulting from a stock split	2	'	'	'	'

Acquisitions_And_Dispositions_1

Acquisitions And Dispositions (Narrative) (Details)

0 Months Ended

3 Months Ended

9 Months Ended

0 Months Ended

9 Months Ended

12 Months Ended

27 Months Ended

12 Months Ended

6 Months Ended

In Millions, unless otherwise specified

30-May-14

Jul. 16, 2013

Sep. 30, 2014

Sep. 30, 2013

Sep. 30, 2014

Sep. 30, 2013

Dec. 31, 2013

Sep. 23, 2014

30-May-14

Sep. 30, 2014

Mar. 31, 2014

Sep. 23, 2014

Sep. 30, 2014

Sep. 23, 2014

Jun. 30, 2014

Sep. 30, 2014

Apr. 09, 2013

Jan. 10, 2013

Sep. 30, 2014

Dec. 31, 2012

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2016

Dec. 31, 2022

Jun. 30, 2015

USD ($)

All3Media [Member]

Eurosport International [Member]

Hub [Member]

Eurosport France [Member]

SBS Nordic [Member]

Discovery Japan [Member]

Series of Individually Immaterial Business Acquisitions [Member]

Forecast [Member]

USD ($)

GBP (£)

USD ($)

EUR (€)

USD ($)

EUR (€)

USD ($)

Eurosport International [Member]

Hub [Member]

Eurosport France [Member]

USD ($)

EUR (€)

Significant Acquisitions and Disposals [Line Items]

Proportionate ownership percentage

50.00%

20.00%

50.00%

20.00%

50.00%

Increase or Decrease in ownership, percentage

10.00%

30.00%

Business Acquisition, Percentage of Voting Interests Acquired

51.00%

60.00%

Business Combination, Consideration Transferred

$349

€ 257

$64

$1,800

€ 1,400

$53

$40

$88

$48

€ 35

Finite-Lived Intangible Asset, Useful Life

'10 years

'30 years

'8 years

Acquired Finite-lived Intangible Asset, Weighted-Average Period before Renewal or Extension

'3 years

Commitment to acquire interest in Eurosport France

31.00%

Goodwill

8,320

7,341

775

309

779

103

Remeasurement gain on previously held equity interest

Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners

49.00%

40.00%

20.00%

Terms Of Put Arrangement

'2 years 6 months

'1 year 0 months

Intangible assets

467

301

1,001

100

Proceeds from disposition

Gain on disposition

-19

Payments to Acquire Equity Method Investments

$174

$28

$147

£ 90

Acquisitions_And_Dispositions_2

Acquisitions And Dispositions (Schedule of Purchase Price Allocation) (Details) (USD $)	3 Months Ended		9 Months Ended			0 Months Ended			0 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Jan. 10, 2013	Sep. 23, 2014	Sep. 23, 2014	30-May-14	Apr. 09, 2013
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Discovery Japan [Member]	Hub [Member]	Hub [Member]	Eurosport International [Member]	SBS Nordic [Member]
Business Acquisition [Line Items]	'	'	'	'	'	'	'	'	'	'
Goodwill	$8,320	'	$8,320	'	$7,341	$103	'	$309	$775	$779
Intangible assets	'	'	'	'	'	100	'	301	467	1,001
Content	'	'	'	'	'	'	'	'	'	248
Other assets acquired	'	'	'	'	'	25	'	97	165	212
Currency translation adjustment	'	'	7	6	'	6	'	'	7	'
Cash	'	'	'	'	'	4	'	33	47	106
Removal of TF1 put right	'	'	'	'	-20	'	'	'	27	'
Remeasurement gain on previously held equity interest	0	0	-29	-92	'	-92	0	'	-29	'
Liabilities assumed	'	'	'	'	'	-55	'	-125	-154	-278
Deferred tax liabilities	'	'	'	'	'	'	'	'	-167	-243
Redeemable noncontrolling interest	-785	'	-785	'	-36	-35	'	-238	-558	-6
Carrying value of previously held equity interest	'	'	'	'	'	-3	-313	'	-231	'
Net assets acquired	'	'	'	'	'	$53	'	$64	$349	$1,819

Recovered_Sheet1

Acquisitions and Dispositions (Schedule of Consolidation of Results of Business Combinations) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Distribution	$748	$651	$2,097	$1,896
Advertising	725	665	2,258	1,922
Other	95	59	234	180
Revenues	1,568	1,375	4,589	3,998
Net income	287	256	902	787
Business Acquistions [Member]	'	'	'	'
Distribution	146	59	294	127
Advertising	162	126	499	266
Other	45	4	78	9
Revenues	353	189	871	402
Net income	$12	$12	$42	$37

Recovered_Sheet2

Acquisitions and Dispositions (Schedule of Pro Forma Financial Information) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Pro Forma Financial Information [Abstract]	'	'	'	'
Business Acquisition, Pro Forma Revenue	$1,590	$1,560	$4,883	$4,709
Business Acquisition, Pro Forma Net Income	$298	$264	$916	$797

Variable_Interest_Entities_Det

Variable Interest Entities (Details) (USD $)

3 Months Ended

9 Months Ended

0 Months Ended

3 Months Ended

9 Months Ended

90 Months Ended

0 Months Ended

12 Months Ended

Sep. 30, 2014

Sep. 30, 2013

Sep. 30, 2014

Sep. 30, 2013

Dec. 31, 2013

Jan. 02, 2011

Mar. 31, 2012

Sep. 30, 2014

Sep. 30, 2013

Dec. 31, 2013

Jul. 01, 2023

Jan. 01, 2016

Sep. 23, 2014

Dec. 31, 2022

OWN [Member]

Forecast [Member]

Hub [Member]

OWN [Member]

Forecast [Member]

Variable Interest Entity [Line Items]

Aggregate carrying value of investments in VIE's accounted for using the equity method

$457,000,000

$789,000,000

$420,000,000

$449,000,000

VIE income (loss)

13,000,000

37,000,000

-13,000,000

Variable interest, maximum exposure to loss

488,000,000

Total cash funding provided

Variable Interest Entity, Funded Notes Receivable

452,000,000

483,000,000

452,000,000

483,000,000

Variable interest entity net repayment

56,000,000

11,000,000

Interest and Other Income

25,000,000

27,000,000

Debt instrument interest rate

7.50%

Borrowings schedule repayment period, in years

OWN losses recognized at 100%

104,000,000

Proportion of OWN's net loss allocated to Discovery Communications Inc

100.00%

Equity Method Investment, Other than Temporary Impairment

Terms Of Put Arrangement

'2 years 6 months

'1 year 0 months

Minimum put amount for purchase of Harpo's interest in OWN, first put exercise date

100,000,000

Cumulative cap of put amount for purchase of Harpo's interest in OWN, fourth put exercise date

400,000,000

Put Right Obligations

Increase or Decrease in ownership, percentage

10.00%

Business Combination, Consideration Transferred

$64,000,000

Fair_Value_Measurements_Narrat

Fair Value Measurements (Narrative) (Details) (USD $)	Dec. 31, 2013	Sep. 30, 2014	Dec. 31, 2013	30-May-14
Fair Value Measurements (Narrative) (Details) (USD $)	Dec. 31, 2013	Level 2 [Member]	Level 2 [Member]	Eurosport International [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'	'
TF1 put right	$20,000,000	$0	$0	($27,000,000)
Long-term Debt, Fair Value	'	$7,400,000,000	$6,600,000,000	'

Fair_Value_Measurements_Schedu

Fair Value Measurements (Schedule Of Assets And Liabilities Measured On Recurring Basis) (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Trading securities	$142	$129
Available-for-sale securities	'	4
Assets, Fair Value Disclosure	158	146
Deferred compensation plan	142	129
Derivative Liabilities	'	1
TF1 put right	'	20
Liabilities, Fair Value Disclosure	157	150
Level 1 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Trading securities	142	129
Available-for-sale securities	'	4
Assets, Fair Value Disclosure	142	133
Deferred compensation plan	142	129
Derivative Liabilities	'	0
TF1 put right	0	0
Liabilities, Fair Value Disclosure	142	129
Level 2 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Trading securities	0	0
Available-for-sale securities	'	0
Assets, Fair Value Disclosure	16	13
Deferred compensation plan	0	0
Derivative Liabilities	'	1
TF1 put right	0	0
Liabilities, Fair Value Disclosure	11	1
Level 3 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Trading securities	0	0
Available-for-sale securities	'	0
Assets, Fair Value Disclosure	0	0
Deferred compensation plan	0	0
Derivative Liabilities	'	0
TF1 put right	4	20
Liabilities, Fair Value Disclosure	4	20
Prepaid expenses and other current assets [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Assets	9	4
Prepaid expenses and other current assets [Member] \| Level 1 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Assets	0	0
Prepaid expenses and other current assets [Member] \| Level 2 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Assets	9	4
Prepaid expenses and other current assets [Member] \| Level 3 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Assets	0	0
Other noncurrent assets [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Assets	7	9
Other noncurrent assets [Member] \| Level 1 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Assets	0	0
Other noncurrent assets [Member] \| Level 2 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Assets	7	9
Other noncurrent assets [Member] \| Level 3 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Assets	0	0
Foreign Exchange Contract [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Liabilities	1	'
Foreign Exchange Contract [Member] \| Level 1 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Liabilities	0	'
Foreign Exchange Contract [Member] \| Level 2 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Liabilities	1	'
Foreign Exchange Contract [Member] \| Level 3 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Liabilities	0	'
Interest Rate Contract [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Liabilities	10	'
Interest Rate Contract [Member] \| Level 1 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Liabilities	0	'
Interest Rate Contract [Member] \| Level 2 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Liabilities	10	'
Interest Rate Contract [Member] \| Level 3 [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Derivative Liabilities	$0	'

Content_Rights_Schedule_Of_Con

Content Rights (Schedule Of Content Rights) (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Licensed content rights:	'	'
Accumulated amortization	($3,415)	($3,389)
Total content rights, net	2,407	2,160
Current portion	-379	-277
Noncurrent portion	2,028	1,883
Media Content [Member]	'	'
Produced content rights:	'	'
Completed	3,509	3,566
In-production	398	334
Coproduced content rights:	'	'
Completed	671	637
In-production	89	84
Licensed content rights:	'	'
Acquired	1,054	880
Prepaid	101	48
Content rights, at cost	$5,822	$5,549

Content_Rights_Content_Rights_

Content Rights Content Rights (Schedule Of Content Expense) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Content Rights [Abstract]	'	'	'	'
Content amortization	$372	$301	$1,061	$831
Other production charges	41	24	108	71
Content impairments	6	7	22	19
Total content expense	$419	$332	$1,191	$921

Debt_Narrative_Details

Debt (Narrative) (Details)

0 Months Ended

3 Months Ended

9 Months Ended

0 Months Ended

Jun. 20, 2014

Sep. 30, 2014

Dec. 31, 2013

Mar. 07, 2014

Sep. 30, 2014

Mar. 07, 2014

Dec. 31, 2013

Sep. 30, 2014

Mar. 31, 2013

Sep. 30, 2014

USD ($)

2.375% Senior Notes [Member]

Revolving Credit Facility [Member]

Revolver sublimit for multi-currency borrowings [Member]

Revolver sublimit for standby letters of credit [Member]

Revolver sublimit for swing line loans [Member]

London Interbank Offered Rate (LIBOR) [Member]

Base Rate [Member]

USD ($)

EUR (€)

USD ($)

Debt Instrument [Line Items]

Debt Instrument, Issuance Date

7-Mar-14

Long-term Debt, Gross

$7,164,000,000

$6,515,000,000

$417,000,000

$380,000,000

€ 300,000,000

Foreign Currency Exchange Rate, Remeasurement

1.39

Debt Instrument, Interest Rate, Stated Percentage

2.38%

Debt Instrument, Maturity Date

7-Mar-22

Debt Instrument, Unamortized Discount

3,000,000

Payments of Debt Issuance Costs

2,000,000

Line of Credit Facility, Initiation Date

20-Jun-14

Revolving line of credit, maximum borrowing capacity

1,500,000,000

1,000,000,000

750,000,000

100,000,000

50,000,000

Expansion option on revolving credit facility

1,000,000,000

Line of Credit Facility, Expiration Date

20-Jun-19

Line of Credit Facility, Amount Outstanding

145,000,000

Line of Credit Facility, Interest Rate at Period End

1.25%

Commercial paper

$126,000,000

Debt, Weighted Average Interest Rate

0.30%

Maximum period of maturities outstanding

'90 days

Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate

1.10%

0.10%

Line of Credit Facility, Collateral Fees

'0.0015

Debt_Outstanding_Debt_Details

Debt (Outstanding Debt) (Details)

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2014

Mar. 07, 2014

Dec. 31, 2013

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2014

Dec. 31, 2013

USD ($)

3.70% Senior Notes [Member]

5.625% Senior Notes [Member]

5.05% Senior Notes [Member]

4.375% Senior Notes [Member]

2.375% Senior Notes [Member]

3.30% Senior Notes [Member]

3.25% Senior Notes [Member]

6.35% Senior Notes [Member]

4.95% Senior Notes [Member]

4.875% Senior Notes [Member]

USD ($)

EUR (€)

USD ($)

Debt Instrument [Line Items]

Line of Credit Facility, Amount Outstanding

$145,000,000

Capital lease obligations

163,000,000

165,000,000

Commercial paper

126,000,000

Long-term Debt, Gross

7,164,000,000

6,515,000,000

850,000,000

500,000,000

1,300,000,000

650,000,000

380,000,000

417,000,000

300,000,000

500,000,000

350,000,000

850,000,000

500,000,000

850,000,000

Unamortized discount

-16,000,000

Long-term debt, net

7,148,000,000

6,499,000,000

Current portion of debt

-995,000,000

-17,000,000

Noncurrent portion of debt

$6,153,000,000

$6,482,000,000

Debt_Parenthetical_Details

Debt (Parenthetical) (Details)	9 Months Ended
Debt (Parenthetical) (Details)	Sep. 30, 2014
3.70% Senior Notes [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Interest Rate, Stated Percentage	3.70%
Long-term debt, frequency of periodic payments	'semi-annual
Debt Instrument, Maturity Date	1-Jun-15
5.625% Senior Notes [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Interest Rate, Stated Percentage	5.63%
Long-term debt, frequency of periodic payments	'semi-annual
Debt Instrument, Maturity Date	15-Aug-19
5.05% Senior Notes [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Interest Rate, Stated Percentage	5.05%
Long-term debt, frequency of periodic payments	'semi-annual
Debt Instrument, Maturity Date	1-Jun-20
4.375% Senior Notes [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Interest Rate, Stated Percentage	4.38%
Long-term debt, frequency of periodic payments	'semi-annual
Debt Instrument, Maturity Date	15-Jun-21
2.375% Senior Notes [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Interest Rate, Stated Percentage	2.38%
Long-term debt, frequency of periodic payments	'annual
Debt Instrument, Maturity Date	7-Mar-22
3.30% Senior Notes [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Interest Rate, Stated Percentage	3.30%
Long-term debt, frequency of periodic payments	'semi-annual
Debt Instrument, Maturity Date	15-May-22
3.25% Senior Notes [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Interest Rate, Stated Percentage	3.25%
Long-term debt, frequency of periodic payments	'semi-annual
Debt Instrument, Maturity Date	1-Apr-23
6.35% Senior Notes [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Interest Rate, Stated Percentage	6.35%
Long-term debt, frequency of periodic payments	'semi-annual
Debt Instrument, Maturity Date	1-Jun-40
4.95% Senior Notes [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Interest Rate, Stated Percentage	4.95%
Long-term debt, frequency of periodic payments	'semi-annual
Debt Instrument, Maturity Date	15-May-42
4.875% Senior Notes [Member]	'
Debt Instrument [Line Items]	'
Debt Instrument, Interest Rate, Stated Percentage	4.88%
Long-term debt, frequency of periodic payments	'semi-annual
Debt Instrument, Maturity Date	1-Apr-43

Derivative_Financial_Instrumen3

Derivative Financial Instruments (Narrative) (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Derivative [Line Items]	'	'
Amounts eligible to be offset under master netting agreements	$0	$0
Not Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member]	'	'
Derivative [Line Items]	'	'
Derivatives, Notional Amount, Used to Hedge to Business Combinations	$0	$0

Derivative_Financial_Instrumen4

Derivative Financial Instruments (Schedule of Derivative Instruments, Fair Value) (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Prepaid expenses and other current assets [Member]	'	'
Derivatives, Fair Value [Line Items]	'	'
Derivative, Notional Amount	$247	$16
Derivative Asset, Fair Value, Gross Asset	9	4
Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Other noncurrent assets [Member]	'	'
Derivatives, Fair Value [Line Items]	'	'
Derivative, Notional Amount	98	36
Derivative Asset, Fair Value, Gross Asset	7	9
Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Accrued liabilities [Member]	'	'
Derivatives, Fair Value [Line Items]	'	'
Derivative, Notional Amount	41	0
Derivative Liability, Fair Value, Gross Liability	1	0
Designated as Hedging Instrument [Member] \| Interest Rate Contract [Member] \| Accrued liabilities [Member]	'	'
Derivatives, Fair Value [Line Items]	'	'
Derivative, Notional Amount	425	0
Derivative Liability, Fair Value, Gross Liability	10	0
Not Designated as Hedging Instrument [Member] \| Prepaid expenses and other current assets [Member]	'	'
Derivatives, Fair Value [Line Items]	'	'
Derivative, Notional Amount	4	0
Derivative Asset, Fair Value, Gross Asset	0	0
Not Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Accrued liabilities [Member]	'	'
Derivatives, Fair Value [Line Items]	'	'
Derivative, Notional Amount	3	4
Derivative Liability, Fair Value, Gross Liability	0	1
Not Designated as Hedging Instrument [Member] \| Foreign Exchange Contract [Member] \| Other noncurrent liabilities [Member]	'	'
Derivatives, Fair Value [Line Items]	'	'
Derivative, Notional Amount	0	3
Derivative Liability, Fair Value, Gross Liability	0	0
Put Option [Member] \| Not Designated as Hedging Instrument [Member] \| Accrued liabilities [Member]	'	'
Derivatives, Fair Value [Line Items]	'	'
Derivative, Notional Amount	76	574
Derivative Liability, Fair Value, Gross Liability	$4	$20

Derivative_Financial_Instrumen5

Derivative Financial Instruments (Schedule of Comprehensive Income Impact of Items Designated as Hedges) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Foreign Exchange Contract [Member]	'	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$7	($1)	$3	$5
Interest Rate Contract [Member]	'	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	-3	0	-10	0
Distribution Revenue [Member] \| Foreign Exchange Contract [Member]	'	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	-1	0	-2	0
Other Expense [Member] \| Foreign Exchange Contract [Member]	'	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$1	$1	$2	$1

Derivative_Financial_Instrumen6

Derivative Financial Instruments (Schedule of Pre-Tax Gains (Losses) of Items Not Designated as Hedges) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Pre-Tax Loss on Derivative Instruments Not Designated as Hedging Instruments	$1	$0	($6)	($56)
Not Designated as Hedging Instrument [Member]	'	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Pre-Tax Loss on Derivative Instruments Not Designated as Hedging Instruments	1	0	-6	-56
Foreign Exchange Forward [Member] \| Not Designated as Hedging Instrument [Member]	'	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Pre-Tax Loss on Derivative Instruments Not Designated as Hedging Instruments	1	0	1	-56
Put Option [Member] \| Not Designated as Hedging Instrument [Member]	'	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Pre-Tax Loss on Derivative Instruments Not Designated as Hedging Instruments	$0	$0	($7)	$0

Redeemable_Noncontrolling_Inte3

Redeemable Noncontrolling Interests (Narrative) (Details) (USD $)

9 Months Ended

0 Months Ended

48 Months Ended

0 Months Ended

6 Months Ended

0 Months Ended

12 Months Ended

27 Months Ended

In Millions, unless otherwise specified

Sep. 30, 2014

Sep. 30, 2013

Sep. 23, 2014

Jan. 10, 2013

Sep. 30, 2014

Jan. 09, 2017

Apr. 09, 2013

Sep. 30, 2014

31-May-15

30-May-14

Sep. 30, 2014

Dec. 31, 2022

Sep. 30, 2014

Sep. 30, 2016

Hub [Member]

Discovery Japan [Member]

SBS Nordic [Member]

Eurosport International [Member]

Hub [Member]

Eurosport International [Member]

Forecast [Member]

Redeemable Noncontrolling Interest [Line Items]

Initial fair value of redeemable noncontrolling interests of acquired businesses

$796

$35

$238

$35

$558

Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners

20.00%

40.00%

49.00%

Terms Of Put Arrangement

'4 years

'193 days

'1 year 0 months

'2 years 6 months

Redeemable_Noncontrolling_Inte4

Redeemable Noncontrolling Interest (Schedule of Redeemable Noncontrolling Interest) (Details) (USD $)	9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Noncontrolling Interest [Abstract]	'	'
Beginning balance	$36	$0
Initial fair value of redeemable noncontrolling interests of acquired businesses	796	35
Purchase of subsidiary shares at fair value	-6	0
Cash distributions to redeemable noncontrolling interests	-2	0
Net income attributable to redeemable noncontrolling interests	11	0
Other comprehensive loss attributable to redeemable noncontrolling interests	-26	-1
Currency translation on redemption values	-40	-3
Adjustments to redemption value	16	1
Ending balance	$785	$32

Equity_Narrative_Details

Equity (Narrative) (Details) (USD $)	9 Months Ended						0 Months Ended	3 Months Ended	9 Months Ended		3 Months Ended
	Sep. 30, 2014	Aug. 06, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2014	Sep. 30, 2014	Apr. 05, 2013	Sep. 30, 2014	Sep. 30, 2014	Feb. 13, 2014	Dec. 31, 2014
					Series A Common Stock [Member]	Series C Common Stock [Member]	Advance Programming Holdings, LLC [Member]	Advance Programming Holdings, LLC [Member]	Expiration of repurchase program on February 3, 2016 [Member]	Chief Executive Officer [Member]	Forecast [Member]
							Series C Convertible Preferred Stock [Member]	Series C Convertible Preferred Stock [Member]		Series B Common Stock [Member]	Advance Programming Holdings, LLC [Member]
											Series C Convertible Preferred Stock [Member]
Stock Repurchase Program, Authorized Amount	$5,500,000,000	'	'	'	'	'	'	'	'	'	'
Stock Repurchase Program, Remaining Authorized Repurchase Amount	'	'	'	'	'	'	'	'	1,000,000,000	'	'
Treasury Stock, Shares	'	'	'	'	2,800,000	83,400,000	'	'	'	'	'
Treasury Stock, Value	4,488,000,000	'	'	3,531,000,000	171,000,000	4,300,000,000	'	'	'	'	'
Number of Series C convertible preferred shares repurchased per Series C common share repurchased	0.429	'	'	'	'	'	'	'	'	'	'
Convertible Preferred Stock, Shares Issued upon Conversion	'	2	1	'	'	'	'	'	'	'	'
Stock Repurchased and Retired During Period, Shares	'	'	'	'	'	'	4,000,000	1,500,000	'	'	1,000,000
Payments for Repurchase of Equity	'	'	'	'	'	'	$256,000,000	$110,000,000	'	'	$80,000,000
Number of shares subject to voting and purchase rights granted by a related party to the Company's CEO	'	'	'	'	'	'	'	'	'	5,900,000	'

Equity_Stock_Repurchase_Progra

Equity (Stock Repurchase Program) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Class of Stock [Line Items]	'	'	'	'
Shares repurchased	3.3	6	13.4	9.8
Purchase price	$188	$448	$957	$713
Series A Common Stock [Member]	'	'	'	'
Class of Stock [Line Items]	'	'	'	'
Shares repurchased	0	0.8	0	0.8
Purchase price	0	62	0	62
Series C Common Stock [Member]	'	'	'	'
Class of Stock [Line Items]	'	'	'	'
Shares repurchased	3.3	5.2	13.4	9
Purchase price	$188	$386	$957	$651

Equity_Components_of_Other_Com

Equity (Components of Other Comprehensive Income (Loss)) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	($195)	$117	($211)	$3
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, before Tax	'	'	-7	-9
Derivatives and market value adjustments, before tax amount	4	1	-5	10
Other comprehensive income, before tax amount	-191	117	-228	3
Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax	8	-13	-1	0
Other Comprehensive Income (Loss), Foreign Currency Translation Reclassification Adjustment Realized upon Sale or Liquidation, Tax	'	'	0	3
Derivatives and market value adjustments, tax expense	-1	0	2	-3
Other comprehensive income, tax expense	7	-13	3	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	-187	104	-212	3
Currency translation adjustments, reclassifications to the income statement, net of tax	'	'	-7	-6
Derivatives and market value adjustments, Net-of-tax Amount	3	1	-3	7
Other comprehensive (loss) income	-184	104	-225	3
Distribution Revenue [Member]	'	'	'	'
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives and Market Value Adjustments Included in Net Income, before Tax	1	0	2	0
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives and Market Value Adjustments Included in Net Income, Tax	0	0	0	0
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives and Market Value Adjustments Included in Net Income, Net of Tax	1	0	2	0
Gain on Disposition [Member]	'	'	'	'
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives and Market Value Adjustments Included in Net Income, before Tax	'	'	-5	0
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives and Market Value Adjustments Included in Net Income, Tax	'	'	2	0
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives and Market Value Adjustments Included in Net Income, Net of Tax	'	'	-3	0
Other Expense [Member]	'	'	'	'
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives and Market Value Adjustments Included in Net Income, before Tax	-1	-1	-2	-1
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives and Market Value Adjustments Included in Net Income, Tax	0	0	0	0
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives and Market Value Adjustments Included in Net Income, Net of Tax	($1)	($1)	($2)	($1)

Equity_Accumulated_Other_Compr

Equity (Accumulated Other Comprehensive Income, Net Of Taxes) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Beginning balance	($38)	($96)	$4	$4
Other comprehensive (loss) income before reclassifications	-184	105	-215	10
Reclassifications from accumulated other comprehensive income to net income	0	-1	-10	-7
Other comprehensive (loss) income	-184	104	-225	3
Other comprehensive (income) loss attributable to redeemable noncontrolling interests	27	0	26	1
Ending balance	-195	8	-195	8
Currency Translation Adjustments [Member]	'	'	'	'
Beginning balance	-41	-106	-8	-1
Other comprehensive (loss) income before reclassifications	-187	104	-212	3
Reclassifications from accumulated other comprehensive income to net income	0	0	-7	-6
Other comprehensive (loss) income	-187	104	-219	-3
Other comprehensive (income) loss attributable to redeemable noncontrolling interests	28	0	27	2
Ending balance	-200	-2	-200	-2
Derivative and Market Value Adjustments [Member]	'	'	'	'
Beginning balance	3	10	12	5
Other comprehensive (loss) income before reclassifications	3	1	-3	7
Reclassifications from accumulated other comprehensive income to net income	0	-1	-3	-1
Other comprehensive (loss) income	3	0	-6	6
Other comprehensive (income) loss attributable to redeemable noncontrolling interests	-1	0	-1	-1
Ending balance	$5	$10	$5	$10

EquityBased_Compensation_Narra

Equity-Based Compensation (Narrative) (Details) (USD $)	9 Months Ended
In Millions, except Share data, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Number of Common Shares Authorized for Issuance	126,000,000	'	'
Number of Common Shares Available for Grant	105,000,000	'	'
Total liability for cash-settled awards	$83	'	$138
Current portion of equity-based compensation liabilities	38	'	85
Cash receipts resulting from stock option exercises	36	43	'
PRSUs [Member]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Unrecognized compensation cost	74	'	'
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	'263 days	'	'
Outstanding as of Period End	5,000,000	'	'
Outstanding as of Period End, Weighted-Average Grant Price	$32.18	'	'
Restricted Stock Units (RSUs) [Member]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Unrecognized compensation cost	34	'	'
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	'2 years 168 days	'	'
Outstanding as of Period End	2,000,000	'	'
Outstanding as of Period End, Weighted-Average Grant Price	$34.09	'	'
Stock Options [Member]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Unrecognized compensation cost	31	'	'
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	'2 years 37 days	'	'
Cash receipts resulting from stock option exercises	31	40	'
Weighted average grant date fair value of stock options granted	$20.98	'	'
Unit Awards [Member]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Weighted average fair value of units awards outstanding	$17.97	'	'
Cash payments to settle vested awards	52	50	'
Unrecognized compensation cost	4	'	'
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	'95 days	'	'
Outstanding as of Period End	1,200,000	'	3,300,000
Outstanding as of Beginning of Period, Weighted-Average Grant Price	$19.23	'	'
Outstanding as of Period End, Weighted-Average Grant Price	$20.59	'	'
SARs [Member]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Weighted-average fair value of SARs outstanding	$5.72	'	'
Cash payments to settle vested awards	29	11	'
Unrecognized compensation cost	28	'	'
Weighted average period of time, in years, compensation expense related to units is expected to be recognized	'1 year 179 days	'	'
Outstanding as of Period End	12,100,000	'	6,400,000
Outstanding as of Beginning of Period, Weighted-Average Grant Price	$27.60	'	'
Outstanding as of Period End, Weighted-Average Grant Price	$37.38	'	'
Employee Stock [Member]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	145,000	106,000	'
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options	$5	$3	'

EquityBased_Compensation_Equit

Equity-Based Compensation (Equity-Based Compensation Expense) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Total equity-based compensation expense	$33	$45	$66	$129
Tax benefit recognized	11	12	23	34
PRSUs And RSUs [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Total equity-based compensation expense	17	7	42	28
Stock Options [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Total equity-based compensation expense	4	6	19	19
Unit Awards [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Total equity-based compensation expense	5	14	6	42
SARs [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Total equity-based compensation expense	6	17	-2	39
Employee Stock [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Total equity-based compensation expense	$1	$1	$1	$1

EquityBased_Compensation_PRSUs

Equity-Based Compensation (PRSUs And RSUs) (Details) (PRSUs And RSUs [Member], USD $)	9 Months Ended
In Millions, except Per Share data, unless otherwise specified	Sep. 30, 2014
PRSUs And RSUs [Member]	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Outstanding as of Beginning of Period	4.8
Granted	3.2
Converted, PRSUs and RSUs	-1.4
Forfeited, PRSUs and RSUs	-0.2
Outstanding as of Period End	6.4
Vested and expected to vest as of Period End	6.2
Outstanding as of Beginning of Period, Weighted-Average Grant Price	$23
Granted, Weighted-Average Grant Price	$41.60
Converted, Weighted-Average Grant Price	$19.41
Forfeited, Weighted-Average Grant Price	$35.91
Outstanding as of Period End, Weighted-Average Grant Price	$32.67
Vested and expected to vest as of Period End, Weighted-Average Grant Price	$32.52
Outstanding as of Period End, Weighted-Average Remaining Contractual Term (years)	'1 year 22 days
Vested and expected to vest, weighted average remaining contractual term	'1 year
Converted, Aggregate Fair Value	$59
Outstanding as of Period End, Aggregate Fair Value	242
Vested and expected to vest as of Period End, Aggregate Fair Value	$233

EquityBased_Compensation_Stock

Equity-Based Compensation (Stock Options) (Details) (Stock Options [Member], USD $)	9 Months Ended
In Millions, except Per Share data, unless otherwise specified	Sep. 30, 2014
Stock Options [Member]	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Outstanding as of Beginning of Period, Stock Options	15.2
Granted, Stock Options	2
Exercised, Stock Options	-2.2
Forfeited, Stock Options	-0.2
Outstanding as of Period End, Stock Options	14.8
Vested and expected to vest as of Period End, Stock Options	14.4
Exercisable as of Period End, Stock Options	10.5
Outstanding as of Beginning of Period, Weighted-Average Exercise Price	$18.23
Granted, Weighted-Average Exercise Price	$41.23
Exercised, Weighted-Average Exercise Price	$13.77
Forfeited, Weighted Average Exercise Price	$30.04
Outstanding as of Period End, Weighted-Average Exercise Price	$21.91
Vested and expected to vest as of Period End, Weighted-Average Exercise Price	$21.53
Exercisable as of Period End, Weighted-Average Exercise Price	$16.79
Outstanding as of Period End, Weighted-Average Remaining Contractual Term (years)	'4 years 51 days
Vested and expected to vest, Weighted-average remaining contractual term (years)	'4 years 47 days
Exercisable as of Period End, Weighted-Average Remaining Contractual Term (years)	'3 years 230 days
Exercised, Aggregate Intrinsic Value	$60
Outstanding as of Period End, Aggregate Intrinsic Value	243
Vested and expected to vest as of Period End, Aggregate Intrinsic Value	238
Exercisable as of Period End, Aggregate Intrinsic Value	$221

EquityBased_Compensation_Unit_

Equity-Based Compensation (Unit Awards) (Details) (Unit Awards [Member], USD $)	9 Months Ended
In Millions, except Per Share data, unless otherwise specified	Sep. 30, 2014
Unit Awards [Member]	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Outstanding as of Beginning of Period	3.3
Settled	-2.1
Outstanding as of Period End	1.2
Vested and expected to vest as of Period End	1.2
Outstanding as of Beginning of Period, Weighted-Average Grant Price	$19.23
Settled, Weighted-Average Grant Price	$18.48
Outstanding as of Period End, Weighted-Average Grant Price	$20.59
Vested and expected to vest as of Period End, Weighted-Average Grant Price	$20.59
Outstanding as of Period End, Weighted-Average Remaining Contractual Term (years)	'95 days
Vested and expected to vest, weighted average remaining contractual term	'95 days
Settled, Aggregate Intrinsic Value	$52
Outstanding, End of Period, Aggregate Intrinsic Value	21
Vested and expected to vest as of Period End, Aggregate Intrinsic Value	$21

EquityBased_Compensation_SARs_

Equity-Based Compensation (SARs) (Details) (SARs [Member], USD $)	9 Months Ended
In Millions, except Per Share data, unless otherwise specified	Sep. 30, 2014
SARs [Member]	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'
Outstanding as of Beginning of Period	6.4
Granted	7.5
Settled	-1.8
Outstanding as of Period End	12.1
Vested and expected to vest as of Period End	12.1
Outstanding as of Beginning of Period, Weighted-Average Grant Price	$27.60
Granted, Weighted-Average Grant Price	$43.24
Settled, Weighted-Average Grant Price	$26.78
Outstanding as of Period End, Weighted-Average Grant Price	$37.38
Vested and expected to vest as of Period End, Weighted-Average Grant Price	$37.38
Outstanding as of Period End, Weighted-Average Remaining Contractual Term (years)	'1 year 197 days
Vested and expected to vest, weighted average remaining contractual term	'1 year 197 days
Settled, Aggregate Intrinsic Value	$29
Outstanding, End of Period, Aggregate Intrinsic Value	45
Vested and expected to vest as of Period End, Aggregate Intrinsic Value	$45

Income_Taxes_Narrative_Details

Income Taxes (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended			12 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2015
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Forecast [Member]
Income Tax Contingency [Line Items]	'	'	'	'	'	'
Unrecognized Tax Benefits, Decreases Resulting from Current Period Tax Positions	'	'	'	'	'	$50
Provisions for income taxes	155	163	481	490	'	'
Effective income tax rate	35.00%	39.00%	35.00%	38.00%	'	'
Federal statutory income tax rate	35.00%	35.00%	35.00%	35.00%	'	'
Unrecognized Tax Benefits	186	'	186	'	185	'
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$16	'	$16	'	$11	'

Income_Taxes_Schedule_Of_Incom

Income Taxes (Schedule Of Income Tax Reconciliation) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]	'	'	'	'
U.S. federal statutory income tax rate	35.00%	35.00%	35.00%	35.00%
State and local income taxes, net of federal tax benefit	2.00%	3.00%	3.00%	3.00%
Effect of foreign operations	1.00%	1.00%	1.00%	1.00%
Domestic production activity deductions	-3.00%	-2.00%	-3.00%	-1.00%
Change in uncertain tax positions	0.00%	0.00%	-1.00%	0.00%
Remeasurement gain on previously held equity interest	0.00%	-2.00%	0.00%	-2.00%
Other, net	0.00%	4.00%	0.00%	2.00%
Effective income tax rate	35.00%	39.00%	35.00%	38.00%

Earning_Per_Share_Earnings_Per

Earning Per Share Earnings Per Share (Narrative) (Details)	Aug. 06, 2014	Jun. 30, 2014
Earnings Per Share [Abstract]	'	'
Convertible Preferred Stock, Shares Issued upon Conversion	2	1

Earnings_Per_Share_Reconciliat

Earnings Per Share (Reconciliation Of Income And Weighted Average Number Of Shares Outstanding) (Details) (USD $)	3 Months Ended				9 Months Ended
In Millions, except Per Share data, unless otherwise specified	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Net income available to Discovery Communications, Inc. stockholders	$222		$204		$705		$631
Diluted earnings per share available to Discovery Communications, Inc. stockholders:	'		'		'		'
Net income	287		256		902		787
Allocation of undistributed income to Series A preferred stock	-58		-51		-183		-154
Net income attributable to noncontrolling interests	0		-1		-2		-1
Net income attributable to redeemable noncontrolling interests	-7		0		-11		0
Redeemable noncontrolling interest adjustments to redemption value	0		0		-1		-1
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities	58		51		183		154
Series A, B and C Common Stock [Member]	'		'		'		'
Net income available to Discovery Communications, Inc. stockholders	186		173		592		533
Net income available to Discovery Communications, Inc. stockholders, Diluted	280		255		888		785
Weighted average number of shares outstanding, basic	449		483		458		488
Weighted average dilutive effect of assumed preferred stock conversion	227		229		228		231
Weighted average dilutive effect of equity awards	6		7		7		8
Weighted average shares outstanding - diluted	682		719		693		727
Basic earnings per share available to Discovery Communications, Inc. stockholders:	'		'		'		'
Net income per share	$0.41		$0.36		$1.29		$1.09
Diluted earnings per share available to Discovery Communications, Inc. stockholders:	'		'		'		'
Net income per share	$0.41		$0.35		$1.28		$1.08
Series C Convertible Preferred Stock [Member]	'		'		'		'
Net income available to Discovery Communications, Inc. stockholders	36		31		113		98
Net income available to Discovery Communications, Inc. stockholders, Diluted	$35		$31		$112		$97
Weighted average number of shares outstanding, basic	43		44		44		45
Weighted average shares outstanding - diluted	43		44		44		45
Basic earnings per share available to Discovery Communications, Inc. stockholders:	'		'		'		'
Net income per share	$0.82		$0.72		$2.58		$2.18
Diluted earnings per share available to Discovery Communications, Inc. stockholders:	'		'		'		'
Net income per share	$0.82	[1]	$0.70	[1]	$2.56	[1]	$2.16	[1]

[1]	(a) Net income available to Discovery Communications, Inc. Series C convertible preferred stockholders for diluted net income per share is included in net income available to Discovery Communications, Inc. Series A, B and C common stockholders for diluted net income per share. For the three months ended September 30, 2014 and 2013, net income available to Discovery Communications, Inc. Series C convertible preferred stockholders for diluted net income per share was $35 million and $31 million, respectively. For the nine months ended September 30, 2014 and 2013, net income available to Discovery Communications, Inc. Series C convertible preferred stockholders for diluted net income per share was $112 million and $97 million, respectively.

Earnings_Per_Share_Schedule_of

Earnings Per Share (Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share) (Details)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Anti-Dilutive Stock Options, PRSUs and RSU [Member]	'	'	'	'
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]	'	'	'	'
Securities excluded from computation of earnings per share, amount	4	2	3	1
PRSUs whose performance targets have not been achieved [Member]	'	'	'	'
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]	'	'	'	'
Securities excluded from computation of earnings per share, amount	4	2	3	2

Supplemental_Disclosures_Sched

Supplemental Disclosures (Schedule Of Accrued Expenses And Other Current Liabilities) (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Disclosure Text Block Supplement [Abstract]	'	'
Accrued payroll and related benefits	$376	$373
Content rights payable	218	212
Accrued income taxes	97	71
Accrued interest	109	43
Current portion of equity-based compensation liabilities	38	85
Accrued other	202	208
Total accrued liabilities	$1,040	$992

Supplemental_Disclosures_Sched1

Supplemental Disclosures (Schedule Of Other (Expense) Income, Net) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Disclosure Text Block Supplement [Abstract]	'	'	'	'
Foreign currency (losses) gains, net	$7	$11	($5)	$24
Gain (loss) on derivative instruments	1	0	-6	-56
Remeasurement gain on previously held equity interest	0	0	29	92
Other income (expense), net	-7	0	-7	1
Total other income, net	$1	$11	$11	$61

Supplemental_Disclosures_Sched2

Supplemental Disclosures (Schedule of Cash proceeds from equity-based plans, net) (Details) (USD $)	9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Supplemental Cash Flow Elements [Abstract]	'	'
Tax settlements associated with equity-based plans	($27)	($22)
Excess tax benefits from equity-based compensation	30	40
Proceeds from issuance of common stock in connection with equity-based plans	36	43
Cash proceeds from equity-based plans, net	$39	$61

Related_Party_Transactions_Nar

Related Party Transactions (Narrative) (Details)	Sep. 30, 2014	Sep. 30, 2014	Sep. 23, 2014
	Liberty Global [Member]	Liberty Media [Member]	All3Media [Member]
	Board of Directors Chairman [Member]	Board of Directors Chairman [Member]
Related Party Transaction [Line Items]	'	'	'
Aggregate Voting Power Percentage Of A Related Party	28.00%	46.00%	'
Equity Method Investment, Ownership Percentage	'	'	50.00%

Related_Party_Transactions_Sch

Related Party Transactions (Schedule of Related Party Transactions, Revenues and Expenses) (Details) (USD $)	3 Months Ended				9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Related Party Transaction [Line Items]	'		'		'		'
Revenue and service charges	$79		$64		$223		$152
Expenses	10		4		28		16
Liberty Group [Member]	'		'		'		'
Related Party Transaction [Line Items]	'		'		'		'
Revenue and service charges	39	[1]	39	[1]	118	[1]	79	[1]
Equity Method Investments [Member]	'		'		'		'
Related Party Transaction [Line Items]	'		'		'		'
Revenue and service charges	31		17		79		55
Interest and Other Income	8	[2]	9	[2]	25	[2]	27	[2]
OtherRelatedParties [Member]	'		'		'		'
Related Party Transaction [Line Items]	'		'		'		'
Revenue and service charges	$9		$8		$26		$18

[1]	(a) The increase in revenue from transactions with the Liberty Group for the nine months ended September 30, 2014 is primarily attributable to activity with Charter Communications, Inc. ("Charter") and Virgin Media, Inc. ("Virgin Media"). In May 2013, Liberty Media completed its equity method investment in Charter; Dr. Malone is on Charter's board of directors. In June 2013, Liberty Global announced it had completed its acquisition of Virgin Media. Transactions with Charter and Virgin Media have been reported as related party transactions since the date that they became related parties
[2]	(b) The Company records interest earnings from loans to equity method investees as a component of income (loss) from equity investees, net, in the consolidated statements of operations.

Related_Party_Transactions_Sch1

Related Party Transactions (Schedule of Related Party Transactions, Receivables) (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Related Party Transactions [Abstract]	'	'
Receivables	$52	$41
Note receivable (see Note 3)	$452	$483

Commitments_Contingencies_And_1

Commitments, Contingencies, And Guarantees (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]	'	'
Material amounts for indemnifications or other contingencies	$0	$0

Reportable_Segments_Schedule_O

Reportable Segments (Schedule Of Revenues By Segment) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting Information [Line Items]	'	'	'	'
Total revenues	$1,568	$1,375	$4,589	$3,998
U.S. Networks [Member]	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Revenues by segment	724	733	2,209	2,212
International Networks [Member]	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Revenues by segment	818	620	2,291	1,716
Education [Member]	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Revenues by segment	27	22	90	73
Corporate And Inter-Segment Eliminations [Member]	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Revenues by segment	($1)	$0	($1)	($3)

Reportable_Segments_Schedule_O1

Reportable Segments (Schedule Of Adjusted OIBDA By Segment) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting Information [Line Items]	'	'	'	'
Total Adjusted OIBDA	$634	$586	$1,853	$1,739
U.S. Networks [Member]	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Adjusted OIBDA	425	425	1,274	1,274
International Networks [Member]	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Adjusted OIBDA	278	223	796	659
Education [Member]	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Adjusted OIBDA	3	2	15	13
Corporate And Inter-Segment Eliminations [Member]	'	'	'	'
Segment Reporting Information [Line Items]	'	'	'	'
Total Adjusted OIBDA	($72)	($64)	($232)	($207)

Reportable_Segments_Schedule_O2

Reportable Segments (Schedule Of Reconciliation Of Adjusted OIBDA To Operating Income) (Details) (USD $)	0 Months Ended		3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	30-May-14	Jul. 16, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting [Abstract]	'	'	'	'	'	'
Total Adjusted OIBDA	'	'	$634	$586	$1,853	$1,739
Amortization of deferred launch incentives	'	'	-4	-4	-8	-14
Mark-to-market equity-based compensation	'	'	-23	-32	-29	-90
Depreciation and amortization	'	'	-85	-80	-243	-190
Restructuring charges	'	'	-11	-1	-19	-11
Gain on disposition	31	-19	0	19	31	19
Operating income	'	'	$511	$488	$1,585	$1,453

Reportable_Segments_Schedule_O3

Reportable Segments (Schedule Of Total Assets By Segment) (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]	'	'
Total assets	$16,373	$14,979
U.S. Networks [Member]	'	'
Segment Reporting Information [Line Items]	'	'
Total assets	3,377	2,978
International Networks [Member]	'	'
Segment Reporting Information [Line Items]	'	'
Total assets	5,921	4,792
Education [Member]	'	'
Segment Reporting Information [Line Items]	'	'
Total assets	136	125
Corporate And Inter-Segment Eliminations [Member]	'	'
Segment Reporting Information [Line Items]	'	'
Total assets	$6,939	$7,084

Condensed_Consolidating_Financ2

Condensed Consolidating Financial Statements (Narrative) (Details)	Sep. 30, 2014
Condensed Financial Information of Parent Company Only Disclosure [Abstract]	'
Direct ownership percentage in Discovery Communications Holding, LLC	33.30%
Indirect ownership percentage in Discovery Communications Holding, LLC	66.70%

Condensed_Consolidating_Financ3

Condensed Consolidating Financial Statements (Condensed Consolidating Balance Sheet) (Details) (USD $)	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
In Millions, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Cash and cash equivalents	$376	'	$408	$439	'	$1,201
Receivables, net	1,464	'	1,371	'	'	'
Content rights, net	379	'	277	'	'	'
Deferred income taxes	87	'	73	'	'	'
Prepaid expenses and other current assets	278	'	281	'	'	'
Total current assets	2,584	'	2,410	'	'	'
Noncurrent content rights, net	2,028	'	1,883	'	'	'
Goodwill	8,320	'	7,341	'	'	'
Intangible assets, net	2,091	'	1,565	'	'	'
Equity method investments	667	'	1,087	'	'	'
Other noncurrent assets	158	'	179	'	'	'
Total assets	16,373	'	14,979	'	'	'
Current portion of debt	995	'	17	'	'	'
Total current liabilities	2,548	'	1,294	'	'	'
Noncurrent portion of debt	6,153	'	6,482	'	'	'
Other noncurrent liabilities	310	'	333	'	'	'
Total liabilities	9,703	'	8,746	'	'	'
Redeemable noncontrolling interests	785	'	36	'	'	'
Noncontrolling interests	2	'	1	'	'	'
Total equity	5,885	6,034	6,197	6,225	6,273	6,293
Total liabilities and equity	16,373	'	14,979	'	'	'
Reclassifications And Eliminations [Member]	'	'	'	'	'	'
Cash and cash equivalents	0	'	0	0	'	0
Receivables, net	0	'	0	'	'	'
Content rights, net	0	'	0	'	'	'
Deferred income taxes	0	'	0	'	'	'
Prepaid expenses and other current assets	0	'	0	'	'	'
Intercompany trade receivables, net	-54	'	-286	'	'	'
Total current assets	-54	'	-286	'	'	'
Investment in and advances to subsidiaries	-23,856	'	-23,549	'	'	'
Noncurrent content rights, net	0	'	0	'	'	'
Goodwill	0	'	0	'	'	'
Intangible assets, net	0	'	0	'	'	'
Equity method investments	0	'	0	'	'	'
Other noncurrent assets	-20	'	-20	'	'	'
Total assets	-23,930	'	-23,855	'	'	'
Current portion of debt	0	'	0	'	'	'
Other current liabilities	0	'	0	'	'	'
Intercompany trade payables, net	-54	'	-286	'	'	'
Total current liabilities	-54	'	-286	'	'	'
Noncurrent portion of debt	0	'	0	'	'	'
Other noncurrent liabilities	-20	'	-20	'	'	'
Total liabilities	-74	'	-306	'	'	'
Redeemable noncontrolling interests	0	'	0	'	'	'
Equity attributable to Discovery Communications, Inc.	-23,857	'	-23,549	'	'	'
Noncontrolling interests	1	'	0	'	'	'
Total equity	-23,856	'	-23,549	'	'	'
Total liabilities and equity	-23,930	'	-23,855	'	'	'
Discovery [Member]	'	'	'	'	'	'
Cash and cash equivalents	0	'	0	0	'	0
Receivables, net	0	'	0	'	'	'
Content rights, net	0	'	0	'	'	'
Deferred income taxes	0	'	0	'	'	'
Prepaid expenses and other current assets	0	'	52	'	'	'
Intercompany trade receivables, net	0	'	0	'	'	'
Total current assets	0	'	52	'	'	'
Investment in and advances to subsidiaries	5,931	'	6,147	'	'	'
Noncurrent content rights, net	0	'	0	'	'	'
Goodwill	0	'	0	'	'	'
Intangible assets, net	0	'	0	'	'	'
Equity method investments	0	'	0	'	'	'
Other noncurrent assets	0	'	0	'	'	'
Total assets	5,931	'	6,199	'	'	'
Current portion of debt	0	'	0	'	'	'
Other current liabilities	44	'	1	'	'	'
Intercompany trade payables, net	0	'	0	'	'	'
Total current liabilities	44	'	1	'	'	'
Noncurrent portion of debt	0	'	0	'	'	'
Other noncurrent liabilities	4	'	2	'	'	'
Total liabilities	48	'	3	'	'	'
Redeemable noncontrolling interests	0	'	0	'	'	'
Equity attributable to Discovery Communications, Inc.	5,883	'	6,196	'	'	'
Noncontrolling interests	0	'	0	'	'	'
Total equity	5,883	'	6,196	'	'	'
Total liabilities and equity	5,931	'	6,199	'	'	'
DCH [Member]	'	'	'	'	'	'
Cash and cash equivalents	0	'	0	0	'	0
Receivables, net	0	'	0	'	'	'
Content rights, net	0	'	0	'	'	'
Deferred income taxes	0	'	0	'	'	'
Prepaid expenses and other current assets	0	'	0	'	'	'
Intercompany trade receivables, net	0	'	0	'	'	'
Total current assets	0	'	0	'	'	'
Investment in and advances to subsidiaries	5,943	'	6,155	'	'	'
Noncurrent content rights, net	0	'	0	'	'	'
Goodwill	0	'	0	'	'	'
Intangible assets, net	0	'	0	'	'	'
Equity method investments	0	'	0	'	'	'
Other noncurrent assets	20	'	19	'	'	'
Total assets	5,963	'	6,174	'	'	'
Current portion of debt	0	'	0	'	'	'
Other current liabilities	12	'	6	'	'	'
Intercompany trade payables, net	0	'	0	'	'	'
Total current liabilities	12	'	6	'	'	'
Noncurrent portion of debt	0	'	0	'	'	'
Other noncurrent liabilities	0	'	0	'	'	'
Total liabilities	12	'	6	'	'	'
Redeemable noncontrolling interests	0	'	0	'	'	'
Equity attributable to Discovery Communications, Inc.	5,951	'	6,168	'	'	'
Noncontrolling interests	0	'	0	'	'	'
Total equity	5,951	'	6,168	'	'	'
Total liabilities and equity	5,963	'	6,174	'	'	'
DCL [Member]	'	'	'	'	'	'
Cash and cash equivalents	32	'	123	150	'	1,022
Receivables, net	434	'	449	'	'	'
Content rights, net	10	'	12	'	'	'
Deferred income taxes	38	'	31	'	'	'
Prepaid expenses and other current assets	162	'	143	'	'	'
Intercompany trade receivables, net	54	'	286	'	'	'
Total current assets	730	'	1,044	'	'	'
Investment in and advances to subsidiaries	8,015	'	7,135	'	'	'
Noncurrent content rights, net	639	'	615	'	'	'
Goodwill	3,769	'	3,769	'	'	'
Intangible assets, net	310	'	320	'	'	'
Equity method investments	20	'	330	'	'	'
Other noncurrent assets	154	'	173	'	'	'
Total assets	13,637	'	13,386	'	'	'
Current portion of debt	980	'	5	'	'	'
Other current liabilities	460	'	421	'	'	'
Intercompany trade payables, net	0	'	0	'	'	'
Total current liabilities	1,440	'	426	'	'	'
Noncurrent portion of debt	5,871	'	6,343	'	'	'
Other noncurrent liabilities	383	'	462	'	'	'
Total liabilities	7,694	'	7,231	'	'	'
Redeemable noncontrolling interests	0	'	0	'	'	'
Equity attributable to Discovery Communications, Inc.	5,943	'	6,155	'	'	'
Noncontrolling interests	0	'	0	'	'	'
Total equity	5,943	'	6,155	'	'	'
Total liabilities and equity	13,637	'	13,386	'	'	'
Non-Guarantor Subsidiaries Of DCL [Member]	'	'	'	'	'	'
Cash and cash equivalents	344	'	285	289	'	179
Receivables, net	1,030	'	922	'	'	'
Content rights, net	369	'	265	'	'	'
Deferred income taxes	49	'	42	'	'	'
Prepaid expenses and other current assets	116	'	86	'	'	'
Intercompany trade receivables, net	0	'	0	'	'	'
Total current assets	1,908	'	1,600	'	'	'
Investment in and advances to subsidiaries	0	'	0	'	'	'
Noncurrent content rights, net	1,389	'	1,268	'	'	'
Goodwill	4,551	'	3,572	'	'	'
Intangible assets, net	1,781	'	1,245	'	'	'
Equity method investments	647	'	757	'	'	'
Other noncurrent assets	529	'	521	'	'	'
Total assets	10,805	'	8,963	'	'	'
Current portion of debt	15	'	12	'	'	'
Other current liabilities	1,037	'	849	'	'	'
Intercompany trade payables, net	54	'	286	'	'	'
Total current liabilities	1,106	'	1,147	'	'	'
Noncurrent portion of debt	282	'	139	'	'	'
Other noncurrent liabilities	615	'	505	'	'	'
Total liabilities	2,003	'	1,791	'	'	'
Redeemable noncontrolling interests	785	'	36	'	'	'
Equity attributable to Discovery Communications, Inc.	8,016	'	7,135	'	'	'
Noncontrolling interests	1	'	1	'	'	'
Total equity	8,017	'	7,136	'	'	'
Total liabilities and equity	10,805	'	8,963	'	'	'
Other Non-Guarantor Subsidiaries of Discovery [Member]	'	'	'	'	'	'
Cash and cash equivalents	0	'	0	0	'	0
Receivables, net	0	'	0	'	'	'
Content rights, net	0	'	0	'	'	'
Deferred income taxes	0	'	0	'	'	'
Prepaid expenses and other current assets	0	'	0	'	'	'
Intercompany trade receivables, net	0	'	0	'	'	'
Total current assets	0	'	0	'	'	'
Investment in and advances to subsidiaries	3,967	'	4,112	'	'	'
Noncurrent content rights, net	0	'	0	'	'	'
Goodwill	0	'	0	'	'	'
Intangible assets, net	0	'	0	'	'	'
Equity method investments	0	'	0	'	'	'
Other noncurrent assets	0	'	0	'	'	'
Total assets	3,967	'	4,112	'	'	'
Current portion of debt	0	'	0	'	'	'
Other current liabilities	0	'	0	'	'	'
Intercompany trade payables, net	0	'	0	'	'	'
Total current liabilities	0	'	0	'	'	'
Noncurrent portion of debt	0	'	0	'	'	'
Other noncurrent liabilities	20	'	21	'	'	'
Total liabilities	20	'	21	'	'	'
Redeemable noncontrolling interests	0	'	0	'	'	'
Equity attributable to Discovery Communications, Inc.	3,947	'	4,091	'	'	'
Noncontrolling interests	0	'	0	'	'	'
Total equity	3,947	'	4,091	'	'	'
Total liabilities and equity	3,967	'	4,112	'	'	'
Discovery and Subsidiaries [Member]	'	'	'	'	'	'
Cash and cash equivalents	376	'	408	439	'	1,201
Receivables, net	1,464	'	1,371	'	'	'
Content rights, net	379	'	277	'	'	'
Deferred income taxes	87	'	73	'	'	'
Prepaid expenses and other current assets	278	'	281	'	'	'
Intercompany trade receivables, net	0	'	0	'	'	'
Total current assets	2,584	'	2,410	'	'	'
Investment in and advances to subsidiaries	0	'	0	'	'	'
Noncurrent content rights, net	2,028	'	1,883	'	'	'
Goodwill	8,320	'	7,341	'	'	'
Intangible assets, net	2,091	'	1,565	'	'	'
Equity method investments	667	'	1,087	'	'	'
Other noncurrent assets	683	'	693	'	'	'
Total assets	16,373	'	14,979	'	'	'
Current portion of debt	995	'	17	'	'	'
Other current liabilities	1,553	'	1,277	'	'	'
Intercompany trade payables, net	0	'	0	'	'	'
Total current liabilities	2,548	'	1,294	'	'	'
Noncurrent portion of debt	6,153	'	6,482	'	'	'
Other noncurrent liabilities	1,002	'	970	'	'	'
Total liabilities	9,703	'	8,746	'	'	'
Redeemable noncontrolling interests	785	'	36	'	'	'
Equity attributable to Discovery Communications, Inc.	5,883	'	6,196	'	'	'
Noncontrolling interests	2	'	1	'	'	'
Total equity	5,885	'	6,197	'	'	'
Total liabilities and equity	$16,373	'	$14,979	'	'	'

Condensed_Consolidating_Financ4

Condensed Consolidating Financial Statements (Condensed Consolidating Statement Of Operations) (Details) (USD $)	0 Months Ended		3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	30-May-14	Jul. 16, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues	'	'	$1,568	$1,375	$4,589	$3,998
Costs of revenues, excluding depreciation and amortization	'	'	529	435	1,526	1,214
Selling, general and administrative	'	'	432	390	1,247	1,149
Depreciation and amortization	'	'	85	80	243	190
Restructuring charges	'	'	11	1	19	11
Gain on disposition	-31	19	0	-19	-31	-19
Total costs and expenses	'	'	1,057	887	3,004	2,545
Operating income	'	'	511	488	1,585	1,453
Interest expense	'	'	-83	-80	-247	-228
Earnings (losses) from equity method investees, net	'	'	13	0	34	-9
Other income, net	'	'	1	11	11	61
Income from continuing operations before income taxes	'	'	442	419	1,383	1,277
Benefit from (provision for) income taxes	'	'	-155	-163	-481	-490
Net income	'	'	287	256	902	787
Net income attributable to noncontrolling interests	'	'	0	-1	-2	-1
Net income attributable to redeemable noncontrolling interests	'	'	-7	0	-11	0
Net income available to Discovery Communications, Inc.	'	'	280	255	889	786
Consolidation, Eliminations [Member]	'	'	'	'	'	'
Revenues	'	'	-1	-2	-6	-7
Costs of revenues, excluding depreciation and amortization	'	'	-2	-2	-5	-6
Selling, general and administrative	'	'	1	0	-1	-1
Depreciation and amortization	'	'	0	0	0	0
Restructuring charges	'	'	0	0	0	0
Gain on disposition	'	'	'	0	0	0
Total costs and expenses	'	'	-1	-2	-6	-7
Operating income	'	'	0	0	0	0
Equity in earnings of subsidiaries	'	'	-874	-826	-2,823	-2,584
Interest expense	'	'	0	0	0	0
Earnings (losses) from equity method investees, net	'	'	0	0	0	0
Other income, net	'	'	0	0	0	0
Income from continuing operations before income taxes	'	'	-874	-826	-2,823	-2,584
Benefit from (provision for) income taxes	'	'	0	0	0	0
Net income	'	'	-874	-826	-2,823	-2,584
Net income attributable to noncontrolling interests	'	'	'	-1	-2	-1
Net income attributable to redeemable noncontrolling interests	'	'	-7	'	-11	'
Net income available to Discovery Communications, Inc.	'	'	-881	-827	-2,836	-2,585
Discovery [Member]	'	'	'	'	'	'
Revenues	'	'	0	0	0	0
Costs of revenues, excluding depreciation and amortization	'	'	0	0	0	0
Selling, general and administrative	'	'	4	3	11	12
Depreciation and amortization	'	'	0	0	0	0
Restructuring charges	'	'	0	0	0	0
Gain on disposition	'	'	'	0	0	0
Total costs and expenses	'	'	4	3	11	12
Operating income	'	'	-4	-3	-11	-12
Equity in earnings of subsidiaries	'	'	282	257	896	794
Interest expense	'	'	0	0	0	0
Earnings (losses) from equity method investees, net	'	'	0	0	0	0
Other income, net	'	'	0	0	0	0
Income from continuing operations before income taxes	'	'	278	254	885	782
Benefit from (provision for) income taxes	'	'	2	1	4	4
Net income	'	'	280	255	889	786
Net Income (Loss) Attributable to Noncontrolling Interest	'	'	'	0	'	0
Net income attributable to noncontrolling interests	'	'	'	'	0	'
Net income attributable to redeemable noncontrolling interests	'	'	0	'	0	'
Net income available to Discovery Communications, Inc.	'	'	280	255	889	786
DCH [Member]	'	'	'	'	'	'
Revenues	'	'	0	0	0	0
Costs of revenues, excluding depreciation and amortization	'	'	0	0	0	0
Selling, general and administrative	'	'	0	-2	0	0
Depreciation and amortization	'	'	0	0	0	0
Restructuring charges	'	'	0	0	0	0
Gain on disposition	'	'	'	'	0	'
Total costs and expenses	'	'	0	-2	0	0
Operating income	'	'	0	2	0	0
Equity in earnings of subsidiaries	'	'	282	255	896	794
Interest expense	'	'	0	0	0	0
Earnings (losses) from equity method investees, net	'	'	0	0	0	0
Other income, net	'	'	0	0	0	0
Income from continuing operations before income taxes	'	'	282	257	896	794
Benefit from (provision for) income taxes	'	'	0	0	0	0
Net income	'	'	282	257	896	794
Net Income (Loss) Attributable to Noncontrolling Interest	'	'	'	0	'	0
Net income attributable to noncontrolling interests	'	'	'	'	0	'
Net income attributable to redeemable noncontrolling interests	'	'	0	'	0	'
Net income available to Discovery Communications, Inc.	'	'	282	257	896	794
DCL [Member]	'	'	'	'	'	'
Revenues	'	'	465	463	1,414	1,390
Costs of revenues, excluding depreciation and amortization	'	'	108	108	337	334
Selling, general and administrative	'	'	47	80	158	201
Depreciation and amortization	'	'	7	8	24	26
Restructuring charges	'	'	0	1	1	1
Gain on disposition	'	'	'	0	0	0
Total costs and expenses	'	'	162	197	520	562
Operating income	'	'	303	266	894	828
Equity in earnings of subsidiaries	'	'	122	143	434	467
Interest expense	'	'	-81	-78	-241	-223
Earnings (losses) from equity method investees, net	'	'	3	1	9	3
Other income, net	'	'	20	4	26	-50
Income from continuing operations before income taxes	'	'	367	336	1,122	1,025
Benefit from (provision for) income taxes	'	'	-85	-81	-226	-231
Net income	'	'	282	255	896	794
Net Income (Loss) Attributable to Noncontrolling Interest	'	'	'	0	'	0
Net income attributable to noncontrolling interests	'	'	'	'	0	'
Net income attributable to redeemable noncontrolling interests	'	'	0	'	0	'
Net income available to Discovery Communications, Inc.	'	'	282	255	896	794
Non-Guarantor Subsidiaries Of DCL [Member]	'	'	'	'	'	'
Revenues	'	'	1,104	914	3,181	2,615
Costs of revenues, excluding depreciation and amortization	'	'	423	329	1,194	886
Selling, general and administrative	'	'	380	309	1,079	937
Depreciation and amortization	'	'	78	72	219	164
Restructuring charges	'	'	11	0	18	10
Gain on disposition	'	'	'	-19	-31	-19
Total costs and expenses	'	'	892	691	2,479	1,978
Operating income	'	'	212	223	702	637
Equity in earnings of subsidiaries	'	'	0	0	0	0
Interest expense	'	'	-2	-2	-6	-5
Earnings (losses) from equity method investees, net	'	'	10	-1	25	-12
Other income, net	'	'	-19	7	-15	111
Income from continuing operations before income taxes	'	'	201	227	706	731
Benefit from (provision for) income taxes	'	'	-72	-83	-259	-263
Net income	'	'	129	144	447	468
Net Income (Loss) Attributable to Noncontrolling Interest	'	'	'	0	'	0
Net income attributable to noncontrolling interests	'	'	'	'	0	'
Net income attributable to redeemable noncontrolling interests	'	'	0	'	0	'
Net income available to Discovery Communications, Inc.	'	'	129	144	447	468
Other Non-Guarantor Subsidiaries of Discovery [Member]	'	'	'	'	'	'
Revenues	'	'	0	0	0	0
Costs of revenues, excluding depreciation and amortization	'	'	0	0	0	0
Selling, general and administrative	'	'	0	0	0	0
Depreciation and amortization	'	'	0	0	0	0
Restructuring charges	'	'	0	0	0	0
Gain on disposition	'	'	'	0	0	0
Total costs and expenses	'	'	0	0	0	0
Operating income	'	'	0	0	0	0
Equity in earnings of subsidiaries	'	'	188	171	597	529
Interest expense	'	'	0	0	0	0
Earnings (losses) from equity method investees, net	'	'	0	0	0	0
Other income, net	'	'	0	0	0	0
Income from continuing operations before income taxes	'	'	188	171	597	529
Benefit from (provision for) income taxes	'	'	0	0	0	0
Net income	'	'	188	171	597	529
Net Income (Loss) Attributable to Noncontrolling Interest	'	'	'	0	'	0
Net income attributable to noncontrolling interests	'	'	'	'	0	'
Net income attributable to redeemable noncontrolling interests	'	'	0	'	0	'
Net income available to Discovery Communications, Inc.	'	'	188	171	597	529
Discovery and Subsidiaries [Member]	'	'	'	'	'	'
Revenues	'	'	1,568	1,375	4,589	3,998
Costs of revenues, excluding depreciation and amortization	'	'	529	435	1,526	1,214
Selling, general and administrative	'	'	432	390	1,247	1,149
Depreciation and amortization	'	'	85	80	243	190
Restructuring charges	'	'	11	1	19	11
Gain on disposition	'	'	'	-19	-31	-19
Total costs and expenses	'	'	1,057	887	3,004	2,545
Operating income	'	'	511	488	1,585	1,453
Equity in earnings of subsidiaries	'	'	0	0	0	0
Interest expense	'	'	-83	-80	-247	-228
Earnings (losses) from equity method investees, net	'	'	13	0	34	-9
Other income, net	'	'	1	11	11	61
Income from continuing operations before income taxes	'	'	442	419	1,383	1,277
Benefit from (provision for) income taxes	'	'	-155	-163	-481	-490
Net income	'	'	287	256	902	787
Net income attributable to noncontrolling interests	'	'	'	-1	-2	-1
Net income attributable to redeemable noncontrolling interests	'	'	-7	'	-11	'
Net income available to Discovery Communications, Inc.	'	'	$280	$255	$889	$786

Condensed_Consolidating_Financ5

Condensed Consolidating Financial Statements (Condensed Consolidating Statement Of Comprehensive Income) (Details) (USD $)	3 Months Ended		9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$287	$256	$902	$787
Currency translation adjustments	-187	104	-219	-3
Derivative and market value adjustments	3	0	-6	6
Comprehensive income	103	360	677	790
Comprehensive income attributable to noncontrolling interests	0	-1	-2	-1
Comprehensive loss attributable to redeemable noncontrolling interests	20	0	15	1
Comprehensive income attributable to Discovery Communications, Inc.	123	359	690	790
Reclassifications And Eliminations [Member]	'	'	'	'
Net income	-874	-826	-2,823	-2,584
Currency translation adjustments	684	-382	801	9
Derivative and market value adjustments	-13	'	13	-25
Comprehensive income	-203	-1,208	-2,009	-2,600
Comprehensive income attributable to noncontrolling interests	'	-1	-2	-1
Comprehensive loss attributable to redeemable noncontrolling interests	-106	'	-106	-4
Comprehensive income attributable to Discovery Communications, Inc.	-309	-1,209	-2,117	-2,605
Discovery [Member]	'	'	'	'
Net income	280	255	889	786
Currency translation adjustments	-187	104	-219	-3
Derivative and market value adjustments	3	'	-6	6
Comprehensive income	96	359	664	789
Comprehensive income attributable to noncontrolling interests	'	0	0	0
Comprehensive loss attributable to redeemable noncontrolling interests	27	'	26	1
Comprehensive income attributable to Discovery Communications, Inc.	123	359	690	790
DCH [Member]	'	'	'	'
Net income	282	257	896	794
Currency translation adjustments	-187	104	-219	-3
Derivative and market value adjustments	3	'	-6	6
Comprehensive income	98	361	671	797
Comprehensive income attributable to noncontrolling interests	'	0	0	0
Comprehensive loss attributable to redeemable noncontrolling interests	27	'	26	1
Comprehensive income attributable to Discovery Communications, Inc.	125	361	697	798
DCL [Member]	'	'	'	'
Net income	282	255	896	794
Currency translation adjustments	-187	104	-219	-3
Derivative and market value adjustments	3	'	-6	6
Comprehensive income	98	359	671	797
Comprehensive income attributable to noncontrolling interests	'	0	0	0
Comprehensive loss attributable to redeemable noncontrolling interests	27	'	26	1
Comprehensive income attributable to Discovery Communications, Inc.	125	359	697	798
Non-Guarantor Subsidiaries Of DCL [Member]	'	'	'	'
Net income	129	144	447	468
Currency translation adjustments	-185	105	-217	-1
Derivative and market value adjustments	5	'	3	9
Comprehensive income	-51	249	233	476
Comprehensive income attributable to noncontrolling interests	'	0	0	0
Comprehensive loss attributable to redeemable noncontrolling interests	27	'	26	1
Comprehensive income attributable to Discovery Communications, Inc.	-24	249	259	477
Other Non-Guarantor Subsidiaries of Discovery [Member]	'	'	'	'
Net income	188	171	597	529
Currency translation adjustments	-125	69	-146	-2
Derivative and market value adjustments	2	'	-4	4
Comprehensive income	65	240	447	531
Comprehensive income attributable to noncontrolling interests	'	0	0	0
Comprehensive loss attributable to redeemable noncontrolling interests	18	'	17	1
Comprehensive income attributable to Discovery Communications, Inc.	83	240	464	532
Discovery and Subsidiaries [Member]	'	'	'	'
Net income	287	256	902	787
Currency translation adjustments	-187	104	-219	-3
Derivative and market value adjustments	3	'	-6	6
Comprehensive income	103	360	677	790
Comprehensive income attributable to noncontrolling interests	'	-1	-2	-1
Comprehensive loss attributable to redeemable noncontrolling interests	20	'	15	1
Comprehensive income attributable to Discovery Communications, Inc.	$123	$359	$690	$790

Condensed_Consolidating_Financ6

Condensed Consolidating Financial Statements (Condensed Consolidating Statement Of Cash Flows) (Details) (USD $)	9 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Cash (used in) provided by operating activities	$893	$930
Purchases of property and equipment	-85	-76
Business acquisitions, net of cash acquired	-369	-1,832
Hedging instruments, net	0	-55
Proceeds from disposition	45	28
Distributions from equity method investees	58	23
Investments in and advances to equity method investees, net	-174	-28
Other investing activities, net	-4	-1
Cash used in investing activities	-529	-1,941
Borrowings from debt, net of discount and issuance costs	409	1,186
Borrowings under revolving credit facility	145	0
Commercial paper, net	126	0
Principal repayments of capital lease obligations	-13	-21
Repurchases of stock	-957	-713
Cash proceeds from equity-based plans, net	39	61
Excess tax benefits from equity-based compensation	30	40
Cash (used in) provided by financing activities	-369	254
Effect of exchange rate changes on cash and cash equivalents	-27	-5
Net change in cash and cash equivalents	-32	-762
Cash and cash equivalents, beginning of period	408	1,201
Cash and cash equivalents, end of period	376	439
Capital Lease Obligations Incurred	14	86
Payments Related to Tax Withholding for Share-based Compensation	27	22
Reclassifications And Eliminations [Member]	'	'
Cash (used in) provided by operating activities	0	0
Purchases of property and equipment	0	0
Business acquisitions, net of cash acquired	0	0
Hedging instruments, net	'	0
Proceeds from disposition	0	0
Distributions from equity method investees	0	0
Investments in and advances to equity method investees, net	0	0
Other investing activities, net	0	0
Cash used in investing activities	0	0
Borrowings from debt, net of discount and issuance costs	0	0
Borrowings under revolving credit facility	0	'
Commercial paper, net	0	'
Principal repayments of capital lease obligations	0	0
Repurchases of stock	0	0
Cash proceeds from equity-based plans, net	0	0
Inter-company contributions and other financing activities, net	0	0
Cash (used in) provided by financing activities	0	0
Effect of exchange rate changes on cash and cash equivalents	0	0
Net change in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	0	0
Discovery [Member]	'	'
Cash (used in) provided by operating activities	91	23
Purchases of property and equipment	0	0
Business acquisitions, net of cash acquired	0	0
Hedging instruments, net	'	0
Proceeds from disposition	0	0
Distributions from equity method investees	0	0
Investments in and advances to equity method investees, net	0	0
Other investing activities, net	0	0
Cash used in investing activities	0	0
Borrowings from debt, net of discount and issuance costs	0	0
Borrowings under revolving credit facility	0	'
Commercial paper, net	0	'
Principal repayments of capital lease obligations	0	0
Repurchases of stock	-1,067	-969
Cash proceeds from equity-based plans, net	39	61
Inter-company contributions and other financing activities, net	937	885
Cash (used in) provided by financing activities	-91	-23
Effect of exchange rate changes on cash and cash equivalents	0	0
Net change in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	0	0
DCH [Member]	'	'
Cash (used in) provided by operating activities	6	-13
Purchases of property and equipment	0	0
Business acquisitions, net of cash acquired	0	0
Hedging instruments, net	'	0
Proceeds from disposition	0	0
Distributions from equity method investees	0	0
Investments in and advances to equity method investees, net	0	0
Other investing activities, net	0	0
Cash used in investing activities	0	0
Borrowings from debt, net of discount and issuance costs	0	0
Borrowings under revolving credit facility	0	'
Commercial paper, net	0	'
Principal repayments of capital lease obligations	0	0
Repurchases of stock	0	0
Cash proceeds from equity-based plans, net	0	0
Inter-company contributions and other financing activities, net	-6	13
Cash (used in) provided by financing activities	-6	13
Effect of exchange rate changes on cash and cash equivalents	0	0
Net change in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	0	0
DCL [Member]	'	'
Cash (used in) provided by operating activities	360	256
Purchases of property and equipment	-17	-17
Business acquisitions, net of cash acquired	-64	0
Hedging instruments, net	'	-55
Proceeds from disposition	0	0
Distributions from equity method investees	0	0
Investments in and advances to equity method investees, net	-4	0
Other investing activities, net	0	0
Cash used in investing activities	-85	-72
Borrowings from debt, net of discount and issuance costs	409	1,186
Borrowings under revolving credit facility	0	'
Commercial paper, net	126	'
Principal repayments of capital lease obligations	-3	-5
Repurchases of stock	0	0
Cash proceeds from equity-based plans, net	0	0
Inter-company contributions and other financing activities, net	-898	-2,237
Cash (used in) provided by financing activities	-366	-1,056
Effect of exchange rate changes on cash and cash equivalents	0	0
Net change in cash and cash equivalents	-91	-872
Cash and cash equivalents, beginning of period	123	1,022
Cash and cash equivalents, end of period	32	150
Non-Guarantor Subsidiaries Of DCL [Member]	'	'
Cash (used in) provided by operating activities	436	664
Purchases of property and equipment	-68	-59
Business acquisitions, net of cash acquired	-305	-1,832
Hedging instruments, net	'	0
Proceeds from disposition	45	28
Distributions from equity method investees	58	23
Investments in and advances to equity method investees, net	-170	-28
Other investing activities, net	-4	-1
Cash used in investing activities	-444	-1,869
Borrowings from debt, net of discount and issuance costs	0	0
Borrowings under revolving credit facility	145	'
Commercial paper, net	0	'
Principal repayments of capital lease obligations	-10	-16
Repurchases of stock	0	0
Cash proceeds from equity-based plans, net	0	0
Inter-company contributions and other financing activities, net	-41	1,336
Cash (used in) provided by financing activities	94	1,320
Effect of exchange rate changes on cash and cash equivalents	-27	-5
Net change in cash and cash equivalents	59	110
Cash and cash equivalents, beginning of period	285	179
Cash and cash equivalents, end of period	344	289
Other Non-Guarantor Subsidiaries of Discovery [Member]	'	'
Cash (used in) provided by operating activities	0	0
Purchases of property and equipment	0	0
Business acquisitions, net of cash acquired	0	0
Hedging instruments, net	'	0
Proceeds from disposition	0	0
Distributions from equity method investees	0	0
Investments in and advances to equity method investees, net	0	0
Other investing activities, net	0	0
Cash used in investing activities	0	0
Borrowings from debt, net of discount and issuance costs	0	0
Borrowings under revolving credit facility	0	'
Commercial paper, net	0	'
Principal repayments of capital lease obligations	0	0
Repurchases of stock	0	0
Cash proceeds from equity-based plans, net	0	0
Inter-company contributions and other financing activities, net	0	0
Cash (used in) provided by financing activities	0	0
Effect of exchange rate changes on cash and cash equivalents	0	0
Net change in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	0	0
Discovery and Subsidiaries [Member]	'	'
Cash (used in) provided by operating activities	893	930
Purchases of property and equipment	-85	-76
Business acquisitions, net of cash acquired	-369	-1,832
Hedging instruments, net	'	-55
Proceeds from disposition	45	28
Distributions from equity method investees	58	23
Investments in and advances to equity method investees, net	-174	-28
Other investing activities, net	-4	-1
Cash used in investing activities	-529	-1,941
Borrowings from debt, net of discount and issuance costs	409	1,186
Borrowings under revolving credit facility	145	'
Commercial paper, net	126	'
Principal repayments of capital lease obligations	-13	-21
Repurchases of stock	-1,067	-969
Cash proceeds from equity-based plans, net	39	61
Inter-company contributions and other financing activities, net	-8	-3
Cash (used in) provided by financing activities	-369	254
Effect of exchange rate changes on cash and cash equivalents	-27	-5
Net change in cash and cash equivalents	-32	-762
Cash and cash equivalents, beginning of period	408	1,201
Cash and cash equivalents, end of period	$376	$439