HCA Healthcare (HCA) 10-Q 5 May 15 2015 Q1 Quarterly report Financial data

Document_and_Entity_Informatio

Document and Entity Information	3 Months Ended
	Mar. 31, 2015	Apr. 30, 2015
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	FALSE
Document Period End Date	31-Mar-15
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Trading Symbol	HCA
Entity Registrant Name	HCA HOLDINGS, INC.
Entity Central Index Key	860730
Current Fiscal Year End Date	-19
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		414,320,500

Condensed_Consolidated_Income_

Condensed Consolidated Income Statements (Unaudited) (USD $)	3 Months Ended
In Millions, except Share data in Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2012
Income Statement [Abstract]
Revenues before provision for doubtful accounts	$10,322	$9,683
Provision for doubtful accounts	646	851
Revenues	9,676	8,832
Salaries and benefits	4,398	4,050
Supplies	1,638	1,532
Other operating expenses	1,717	1,645
Electronic health record incentive income	-19	-30
Equity in earnings of affiliates	-19	-9
Depreciation and amortization	473	447
Interest expense	419	460
Gains on sales of facilities	-9	-21
Legal claim costs		78	175
Total expenses including equity in earnings of affiliates	8,598	8,152
Income before income taxes	1,078	680
Provision for income taxes	358	226
Net income	720	454
Net income attributable to noncontrolling interests	129	107
Net income attributable to HCA Holdings, Inc.	$591	$347
Per share data:
Basic earnings per share	$1.41	$0.78
Diluted earnings per share	$1.36	$0.76
Shares used in earnings per share calculations (in millions):
Basic	420,148	442,150
Diluted	435,309	457,449

Condensed_Consolidated_Compreh

Condensed Consolidated Comprehensive Income Statements (Unaudited) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income	$720	$454
Other comprehensive (loss) income before taxes:
Foreign currency translation	-51	10
Unrealized gains on available-for-sale securities	1	4
Defined benefit plans	0	0
Pension costs included in salaries and benefits	6	4
Total defined benefit plans	6	4
Change in fair value of derivative financial instruments	-23	-10
Interest costs included in interest expense	31	33
Total change in fair value of derivative financial instruments	8	23
Other comprehensive (loss) income before taxes	-36	41
Income taxes (benefits) related to other comprehensive income items	-15	16
Other comprehensive (loss) income	-21	25
Comprehensive income	699	479
Comprehensive income attributable to noncontrolling interests	129	107
Comprehensive income attributable to HCA Holdings, Inc.	$570	$372

Condensed_Consolidated_Balance

Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Millions, unless otherwise specified
Current assets:
Cash and cash equivalents	$586	$566
Accounts receivable, less allowance for doubtful accounts of $4,692 and $5,011	5,928	5,694
Inventories	1,287	1,279
Deferred income taxes	304	366
Other	1,025	1,025
Total current assets	9,130	8,930
Property and equipment, at cost	33,293	32,980
Accumulated depreciation	-18,901	-18,625
Property and equipment, net	14,392	14,355
Investments of insurance subsidiaries	435	494
Investments in and advances to affiliates	181	165
Goodwill and other intangible assets	6,415	6,416
Other	735	620
Total assets	31,288	30,980
Current liabilities:
Accounts payable	1,973	2,035
Accrued salaries	1,180	1,370
Other accrued expenses	1,982	1,737
Long-term debt due within one year	2,037	338
Total current liabilities	7,172	5,480
Long-term debt, less debt issuance costs of $220 and $219	27,406	29,088
Professional liability risks	1,095	1,078
Income taxes and other liabilities	1,837	1,832
Stockholders' deficit:
Common stock $0.01 par; authorized 1,800,000,000 shares; outstanding 419,179,100 shares in 2015 and 420,477,900 shares in 2014	4	4
Accumulated other comprehensive loss	-344	-323
Retained deficit	-7,280	-7,575
Stockholders' deficit attributable to HCA Holdings, Inc.	-7,620	-7,894
Noncontrolling interests	1,398	1,396
Total stockholders' deficit	-6,222	-6,498
Total liabilities and stockholders' deficit	$31,288	$30,980

Condensed_Consolidated_Balance1

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Millions, except Share data, unless otherwise specified
Statement of Financial Position [Abstract]
Allowance for Accounts receivable	$4,692	$5,011
Debt issuance cost	$220	$219
Common stock, par value	$0.01	$0.01
Common stock, shares authorized	1,800,000,000	1,800,000,000
Common stock, shares outstanding	419,179,100	420,477,900

Condensed_Consolidated_Stateme

Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$720	$454
Increase (decrease) in cash from operating assets and liabilities:
Accounts receivable	-895	-1,125
Provision for doubtful accounts	646	851
Accounts receivable, net	-249	-274
Inventories and other assets	-106	-123
Accounts payable and accrued expenses	-312	-313
Depreciation and amortization	473	447
Income taxes	438	144
Gains on sales of facilities	-9	-21
Legal claim costs		78
Amortization of debt issuance costs	10	14
Share-based compensation	48	37
Other	5
Net cash provided by operating activities	1,018	443
Cash flows from investing activities:
Purchase of property and equipment	-446	-400
Acquisition of hospitals and health care entities	-28	-19
Disposal of hospitals and health care entities	15	23
Change in investments	22	-13
Other	5
Net cash used in investing activities	-432	-409
Cash flows from financing activities:
Issuances of long-term debt	1,000	3,502
Net change in revolving bank credit facilities	-260	-2,440
Repayment of long-term debt	-791	-542
Distributions to noncontrolling interests	-132	-87
Payment of debt issuance costs	-11	-48
Repurchases of common stock	-366
Distributions to stockholders	-6	-7
Income tax benefits	38	50
Other	-38	-26
Net cash (used in) provided by financing activities	-566	402
Change in cash and cash equivalents	20	436
Cash and cash equivalents at beginning of period	566	414
Cash and cash equivalents at end of period	586	850
Interest payments	487	523
Income tax (refunds) payments, net	($118)	$32

Basis_of_Presentation_and_Sign

Basis of Presentation and Significant Accounting Policies	3 Months Ended
	Mar. 31, 2015
Accounting Policies [Abstract]
Basis of Presentation and Significant Accounting Policies	NOTE 1 — BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES
	Reporting Entity
	HCA Holdings, Inc. is a holding company whose affiliates own and operate hospitals and related health care entities. The term “affiliates” includes direct and indirect subsidiaries of HCA Holdings, Inc. and partnerships and joint ventures in which such subsidiaries are partners. At March 31, 2015, these affiliates owned and operated 168 hospitals, 113 freestanding surgery centers and provided extensive outpatient and ancillary services. HCA Holdings, Inc.’s facilities are located in 20 states and England. The terms “Company,” “HCA,” “we,” “our” or “us,” as used herein and unless otherwise stated or indicated by context, refer to HCA Holdings, Inc. and its affiliates. The terms “facilities” or “hospitals” refer to entities owned and operated by affiliates of HCA and the term “employees” refers to employees of affiliates of HCA.
	Basis of Presentation
	The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all the information and footnotes required by generally accepted accounting principles for complete consolidated financial statements. In the opinion of management, all adjustments considered necessary for a fair presentation have been included and are of a normal and recurring nature.
	The majority of our expenses are “costs of revenues” items. Costs that could be classified as general and administrative would include our corporate office costs, which were $74 million and $68 million for the quarters ended March 31, 2015 and 2014, respectively. Operating results for the quarter ended March 31, 2015 are not necessarily indicative of the results that may be expected for the year ending December 31, 2015. For further information, refer to the consolidated financial statements and footnotes thereto included in our annual report on Form 10-K for the year ended December 31, 2014.
	Revenues
	Revenues are recorded during the period the health care services are provided, based upon the estimated amounts due from the patients and third-party payers. Third-party payers include federal and state agencies (under Medicare, Medicaid and other programs), managed care health plans (includes the health insurance exchanges), commercial insurance companies and employers. Estimates of contractual allowances under managed care health plans are based upon the payment terms specified in the related contractual agreements. Revenues related to uninsured patients and copayment and deductible amounts for patients who have health care coverage may have discounts applied (uninsured discounts and contractual discounts). We also record a provision for doubtful accounts related to uninsured accounts to record the net self pay revenues at the estimated amounts we expect to collect. Our revenues from third-party payers, the uninsured and other for the quarters ended March 31, 2015 and 2014 are summarized in the following table (dollars in millions):
		2015			Ratio			2014			Ratio
	Medicare	$	2,234			23.1	%	$	2,125			24.1	%
	Managed Medicare		1,052			10.9			899			10.2
	Medicaid		452			4.7			444			5
	Managed Medicaid		549			5.7			421			4.8
	Managed care and other insurers		5,216			53.9			4,710			53.3
	International (managed care and other insurers)		321			3.3			326			3.7
			9,824			101.6			8,925			101.1
	Uninsured		68			0.7			388			4.4
	Other		430			4.4			370			4.2
	Revenues before provision for doubtful accounts		10,322			106.7			9,683			109.7
	Provision for doubtful accounts		(646	)		(6.7	)		(851	)		(9.7	)
	Revenues	$	9,676			100	%	$	8,832			100	%
	Recent Pronouncements
	In May 2014, the Financial Accounting Standards Board (“FASB”) and the International Accounting Standards Board issued a final, converged, principles-based standard on revenue recognition. Companies across all industries will use a five-step model to recognize revenue from customer contracts. The new standard, which replaces nearly all existing United States Generally Accepted Accounting Principles (“US GAAP”) and International Financial Reporting Standards revenue recognition guidance, will require significant management judgment in addition to changing the way many companies recognize revenue in their financial statements. The standard was originally scheduled to become effective for public entities for annual and interim periods beginning after December 15, 2016. Early adoption was originally not to be permitted under US GAAP. During April 2015, the FASB proposed a deferral of the effective date of the new revenue standard by one year, but would permit entities to adopt one year earlier if they choose (i.e., the original effective date). The FASB decided, based on its outreach to various stakeholders and forthcoming exposure drafts, which amend the new revenue standard, that a deferral may be necessary to provide adequate time to effectively implement the new standard. We are continuing to evaluate the effects the adoption of this standard will have on our financial statements and financial disclosures.
	In April 2015, the FASB issued Accounting Standards Update 2015-03, Simplifying the Presentation of Debt Issuance Costs (“ASU 2015-03”), which requires that debt issuance costs be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability. The guidance in the new standard is limited to the presentation of debt issuance costs. The recognition and measurement guidance for debt issuance costs are not affected by ASU 2015-03. We have elected to adopt the new presentation for our March 31, 2015 condensed consolidated financial statements, and the applicable prior year amounts have been reclassified in accordance with ASU 2015-03.
	Reclassifications
	Certain prior year amounts have been reclassified to conform to the current year presentation.

Acquisitions_and_Dispositions

Acquisitions and Dispositions	3 Months Ended
	Mar. 31, 2015
Business Combinations [Abstract]
Acquisitions and Dispositions	NOTE 2 — ACQUISITIONS AND DISPOSITIONS
	During the quarter ended March 31, 2015, we paid $28 million to acquire other nonhospital health care entities. During the quarter ended March 31, 2014, we paid $13 million to acquire a hospital and $6 million to acquire other nonhospital health care entities.
	During the quarter ended March 31, 2015, we received proceeds of $15 million and recognized net pretax gains of $9 million related to sales of real estate and other investments. During the quarter ended March 31, 2014, we received proceeds of $23 million and recognized net pretax gains of $21 million related to sales of real estate and other investments.

Income_Taxes

Income Taxes	3 Months Ended
	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Income Taxes	NOTE 3 — INCOME TAXES
	During 2014, the IRS Examination Division began an audit of HCA Holdings Inc.’s 2011 and 2012 federal income tax returns. We are also subject to examination by state and foreign taxing authorities.
	Our liability for unrecognized tax benefits was $544 million, including accrued interest of $62 million, as of March 31, 2015 ($548 million and $58 million, respectively, as of December 31, 2014). Unrecognized tax benefits of $215 million ($205 million as of December 31, 2014) would affect the effective rate, if recognized. The provision for income taxes reflects $4 million ($3 million, net of tax) of interest expense related to taxing authority examinations for the quarter ended March 31, 2014.
	Depending on the resolution of any IRS, state and foreign tax disputes, the completion of examinations by federal, state or foreign taxing authorities, or the expiration of statutes of limitation for specific taxing jurisdictions, we believe it is reasonably possible that our liability for unrecognized tax benefits may significantly increase or decrease within the next 12 months. However, we are currently unable to estimate the range of any possible change.

Earnings_Per_Share

Earnings Per Share	3 Months Ended
	Mar. 31, 2015
Earnings Per Share [Abstract]
Earnings Per Share	NOTE 4 — EARNINGS PER SHARE
	We compute basic earnings per share using the weighted average number of common shares outstanding. We compute diluted earnings per share using the weighted average number of common shares outstanding, plus the dilutive effect of outstanding stock options, stock appreciation rights and restricted share units, computed using the treasury stock method.
	The following table sets forth the computation of basic and diluted earnings per share for the quarters ended March 31, 2015 and 2014 (dollars and shares in millions, except per share amounts):
		2015		2014
	Net income attributable to HCA Holdings, Inc.	$	591	$	347
	Weighted average common shares outstanding		420.148		442.15
	Effect of dilutive incremental shares		15.161		15.299
	Shares used for diluted earnings per share		435.309		457.449
	Earnings per share:
	Basic earnings per share	$	1.41	$	0.78
	Diluted earnings per share	$	1.36	$	0.76

Investments_of_Insurance_Subsi

Investments of Insurance Subsidiaries	3 Months Ended
	Mar. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Investments of Insurance Subsidiaries	NOTE 5 — INVESTMENTS OF INSURANCE SUBSIDIARIES
	A summary of our insurance subsidiaries’ investments at March 31, 2015 and December 31, 2014 follows (dollars in millions):
		March 31, 2015
		Amortized		Unrealized					Fair
		Cost		Amounts					Value
				Gains		Losses
	Debt securities:
	States and municipalities	$	471	$	18	$	(1	)	$	488
	Money market funds		38		—		—			38
			509		18		(1	)		526
	Equity securities		1		3		—			4
		$	510	$	21	$	(1	)		530
	Amounts classified as current assets									(95	)
	Investment carrying value								$	435
		December 31, 2014
		Amortized		Unrealized					Fair
		Cost		Amounts					Value
				Gains		Losses
	Debt securities:
	States and municipalities	$	477	$	18	$	(1	)	$	494
	Money market funds		61		—		—			61
			538		18		(1	)		555
	Equity securities		1		2		—			3
		$	539	$	20	$	(1	)		558
	Amounts classified as current assets									(64	)
	Investment carrying value								$	494
	At March 31, 2015 and December 31, 2014, the investments of our insurance subsidiaries were classified as “available-for-sale.” Changes in temporary unrealized gains and losses are recorded as adjustments to other comprehensive income (loss). Amounts classified as current assets at March 31, 2015 include $43 million to be distributed to the Company from an insurance subsidiary.
	Scheduled maturities of investments in debt securities at March 31, 2015 were as follows (dollars in millions):
		Amortized		Fair
		Cost		Value
	Due in one year or less	$	71	$	71
	Due after one year through five years		204		208
	Due after five years through ten years		124		132
	Due after ten years		110		115
		$	509	$	526
	The average expected maturity of the investments in debt securities at March 31, 2015 was 4.0 years, compared to the average scheduled maturity of 5.7 years. Expected and scheduled maturities may differ because the issuers of certain securities have the right to call, prepay or otherwise redeem such obligations prior to their scheduled maturity date.

Financial_Instruments

Financial Instruments	3 Months Ended
	Mar. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Financial Instruments	NOTE 6 — FINANCIAL INSTRUMENTS
	Interest Rate Swap Agreements
	We have entered into interest rate swap agreements to manage our exposure to fluctuations in interest rates. These swap agreements involve the exchange of fixed and variable rate interest payments between two parties based on common notional principal amounts and maturity dates. Pay-fixed interest rate swaps effectively convert LIBOR indexed variable rate obligations to fixed interest rate obligations. The interest payments under these agreements are settled on a net basis. The net interest payments, based on the notional amounts in these agreements, generally match the timing of the related liabilities for the interest rate swap agreements which have been designated as cash flow hedges. The notional amounts of the swap agreements represent amounts used to calculate the exchange of cash flows and are not our assets or liabilities. Our credit risk related to these agreements is considered low because the swap agreements are with creditworthy financial institutions.
	The following table sets forth our interest rate swap agreements, which have been designated as cash flow hedges, at March 31, 2015 (dollars in millions):
		Notional		Maturity Date		Fair
		Amount				Value
	Pay-fixed interest rate swaps	$	3,000		December 2016	$	(154	)
	Pay-fixed interest rate swaps		1,000		Dec-17		(37	)
	During the next 12 months, we estimate $116 million will be reclassified from other comprehensive income (“OCI”) to interest expense.
	Derivatives — Results of Operations
	The following table presents the effect of our interest rate swaps on our results of operations for the quarter ended March 31, 2015 (dollars in millions):
	Derivatives in Cash Flow Hedging Relationships	Amount of Loss		Location of Loss		Amount of Loss
		Recognized in OCI on		Reclassified from		Reclassified from
		Derivatives, Net of  Tax		Accumulated OCI		Accumulated OCI
				into Operations		into Operations
	Interest rate swaps	$	15		Interest expense	$	31
	Credit-risk-related Contingent Features
	We have agreements with each of our derivative counterparties that contain a provision where we could be declared in default on our derivative obligations if repayment of the underlying indebtedness is accelerated by the lender due to our default on the indebtedness. As of March 31, 2015, we have not been required to post any collateral related to these agreements. If we had breached these provisions at March 31, 2015, we would have been required to settle our obligations under the agreements at their aggregate, estimated termination value of $197 million.

Assets_and_Liabilities_Measure

Assets and Liabilities Measured at Fair Value	3 Months Ended
	Mar. 31, 2015
Fair Value Disclosures [Abstract]
Assets and Liabilities Measured at Fair Value	NOTE 7 — ASSETS AND LIABILITIES MEASURED AT FAIR VALUE
	Accounting Standards Codification 820, Fair Value Measurements and Disclosures (“ASC 820”) emphasizes fair value is a market-based measurement, not an entity-specific measurement. Therefore, a fair value measurement should be determined based on the assumptions market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, ASC 820 establishes a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy).
	Level 1 inputs utilize quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2 inputs are inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs may include quoted prices for similar assets and liabilities in active markets, as well as inputs observable for the asset or liability (other than quoted prices), such as interest rates, foreign exchange rates and yield curves observable at commonly quoted intervals. Level 3 inputs are unobservable inputs for the asset or liability, which are typically based on an entity’s own assumptions, as there is little, if any, related market activity. In instances where the determination of the fair value measurement is based on inputs from different levels of the fair value hierarchy, the level in the fair value hierarchy within which the entire fair value measurement falls is based on the lowest level input significant to the fair value measurement in its entirety. Our assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability.
	Cash Traded Investments
	Our cash traded investments are generally classified within Level 1 or Level 2 of the fair value hierarchy because they are valued using quoted market prices, broker or dealer quotations, or alternative pricing sources with reasonable levels of price transparency. Certain types of cash traded instruments are classified within Level 3 of the fair value hierarchy because they trade infrequently and therefore have little or no price transparency. The valuation of these securities involves management’s judgment, after consideration of market factors and the absence of market transparency, market liquidity and observable inputs. Our valuation models derived fair market values compared to tax-equivalent yields of other securities of similar credit worthiness and similar effective maturities.
	Derivative Financial Instruments
	We have entered into interest rate swap agreements to manage our exposure to fluctuations in interest rates. The valuation of these instruments is determined using widely accepted valuation techniques, including discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. We incorporate credit valuation adjustments to reflect both our own nonperformance risk and the respective counterparty’s nonperformance risk in the fair value measurements.
	Although we determined the majority of the inputs used to value our derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with our derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by us and our counterparties. We assessed the significance of the impact of the credit valuation adjustments on the overall valuation of our derivative positions, and at March 31, 2015 and December 31, 2014, we determined the credit valuation adjustments were not significant to the overall valuation of our derivatives.
	The following tables summarize our assets and liabilities measured at fair value on a recurring basis as of March 31, 2015 and December 31, 2014, aggregated by the level in the fair value hierarchy within which those measurements fall (dollars in millions):
		March 31, 2015
		Fair Value			Fair Value Measurements Using
					Quoted Prices in			Significant Other			Significant
					Active Markets for			Observable Inputs			Unobservable Inputs
					Identical Assets			(Level 2)			(Level 3)
					and Liabilities
					(Level 1)
	Assets:
	Investments of insurance subsidiaries:
	Debt securities:
	States and municipalities	$	488		$	—		$	482		$	6
	Money market funds		38			38			—			—
			526			38			482			6
	Equity securities		4			4			—			—
	Investments of insurance subsidiaries		530			42			482			6
	Less amounts classified as current assets		(95	)		(38	)		(57	)		—
		$	435		$	4		$	425		$	6
	Liabilities:
	Interest rate swaps (Income taxes and other liabilities)	$	191		$	—		$	191		$	—
		December 31, 2014
					Fair Value Measurements Using
		Fair Value			Quoted Prices in			Significant Other			Significant
					Active Markets for			Observable Inputs			Unobservable Inputs
					Identical Assets			(Level 2)			(Level 3)
					and Liabilities
					(Level 1)
	Assets:
	Investments of insurance subsidiaries:
	Debt securities:
	States and municipalities	$	494		$	—		$	488		$	6
	Money market funds		61			61			—			—
			555			61			488			6
	Equity securities		3			3			—			—
	Investments of insurance subsidiaries		558			64			488			6
	Less amounts classified as current assets		(64	)		(61	)		(3	)		—
		$	494		$	3		$	485		$	6
	Liabilities:
	Interest rate swaps (Income taxes and other liabilities)	$	199		$	—		$	199		$	—
	The estimated fair value of our long-term debt was $31.384 billion and $30.861 billion at March 31, 2015 and December 31, 2014, respectively, compared to carrying amounts, excluding debt issuance costs, aggregating $29.663 billion and $29.645 billion, respectively. The estimates of fair value are generally based upon the quoted market prices or quoted market prices for similar issues of long-term debt with the same maturities.

LongTerm_Debt

Long-Term Debt	3 Months Ended
	Mar. 31, 2015
Debt Disclosure [Abstract]
Long-Term Debt	NOTE 8 — LONG-TERM DEBT
	A summary of long-term debt at March 31, 2015 and December 31, 2014, including related interest rates at March 31, 2015, follows (dollars in millions):
		March 31,		December 31,
		2015		2014
	Senior secured asset-based revolving credit facility (effective interest rate of 1.7%)	$	2,620	$	2,880
	Senior secured revolving credit facility		—		—
	Senior secured term loan facilities (effective interest rate of 5.2%)		5,497		5,517
	Senior secured first lien notes (effective interest rate of 5.5%)		11,100		11,100
	Other senior secured debt (effective interest rate of 6.1%)		621		573
	First lien debt		19,838		20,070
	Senior unsecured notes (effective interest rate of 7.1%)		9,825		9,575
	Less debt issuance costs		220		219
	Total debt (average life of 6.2 years, rates averaging 5.6%)		29,443		29,426
	Less amounts due within one year		2,037		338
		$	27,406	$	29,088
	2015 Activity
	During January 2015, we issued $1.000 billion aggregate principal amount of 5.375% senior notes due 2025. We used a portion of the net proceeds to repay at maturity our $750 million aggregate principal amount of 6.375% senior unsecured notes due 2015.
	2014 Activity
	During October 2014, we issued $600 million aggregate principal amount of 4.25% senior secured notes due 2019 and $1.400 billion aggregate principal amount of 5.25% senior secured notes due 2025. During November 2014, we used a portion of the proceeds from the October 2014 debt issuances to redeem all $1.400 billion aggregate principal amount of our outstanding 71/4% senior secured notes due 2020. The pretax loss on retirement of debt related to this redemption was $109 million.
	During March 2014, we issued $1.500 billion aggregate principal amount of 3.75% senior secured notes due 2019 and $2.000 billion aggregate principal amount of 5.00% senior secured notes due 2024, and repaid at maturity all $500 million aggregate principal amount of our outstanding 5.75% senior unsecured notes. During April 2014, we used proceeds from the March 2014 debt issuance to redeem all $1.500 billion aggregate principal amount of our outstanding 81/2% senior secured notes due 2019 and all $1.250 billion aggregate principal amount of our outstanding 77/8% senior secured notes due 2020. The pretax loss on retirement of debt related to these redemptions was $226 million.

Contingencies_and_Legal_Claim_

Contingencies and Legal Claim Costs	3 Months Ended
	Mar. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Contingencies and Legal Claim Costs	NOTE 9 — CONTINGENCIES AND LEGAL CLAIM COSTS
	We operate in a highly regulated and litigious industry. As a result, various lawsuits, claims and legal and regulatory proceedings have been and can be expected to be instituted or asserted against us. We are also subject to claims and suits arising in the ordinary course of business, including claims for personal injuries or wrongful restriction of, or interference with, physicians’ staff privileges. In certain of these actions the claimants may seek punitive damages against us which may not be covered by insurance. We are subject to claims for additional taxes and related interest and penalties. The resolution of any such lawsuits, claims or legal and regulatory proceedings could have a material, adverse effect on our results of operations or financial position.
	Government Investigations, Claims and Litigation
	Health care companies are subject to numerous investigations by various governmental agencies. Further, under the federal False Claims Act (“FCA”), private parties have the right to bring qui tam, or “whistleblower,” suits against companies that submit false claims for payments to, or improperly retain overpayments from, the government. Some states have adopted similar state whistleblower and false claims provisions. Certain of our individual facilities have received, and from time to time, other facilities may receive, government inquiries from, and may be subject to investigation by, federal and state agencies. Depending on whether the underlying conduct in these or future inquiries or investigations could be considered systemic, their resolution could have a material, adverse effect on our financial position, results of operations and liquidity.
	As initially disclosed in 2010, the Civil Division of the Department of Justice (“DOJ”) has contacted the Company in connection with its nationwide review of whether, in certain cases, hospital charges to the federal government relating to implantable cardio-defibrillators (“ICDs”) met the Centers for Medicare & Medicaid Services criteria. In connection with this nationwide review, the DOJ has indicated that it will be reviewing certain ICD billing and medical records at 95 HCA hospitals; the review covers the period from October 2003 to the present. In August 2012, HCA, along with non-HCA hospitals across the country subject to the DOJ’s review, received from the DOJ a proposed framework for resolving the DOJ’s review of ICDs. The Company is cooperating in the review. The review could potentially give rise to claims against the Company under the federal FCA or other statutes, regulations or laws. At this time, we cannot predict what effect, if any, this review or any resulting claims could have on the Company.
	In July 2012, the Civil Division of the U.S. Attorney’s Office in Miami requested information on reviews assessing the medical necessity of interventional cardiology services provided at any Company facility (other than peer reviews). The Company cooperated with the government’s request and produced medical records associated with particular reviews at eight hospitals, located primarily in Florida. On February 24, 2015, the United States District Court for the Southern District of Florida unsealed a qui tam action which had been filed under seal on February 16, 2012 and alleges particular FCA violations relating to two specific facilities that were among the subjects of the Miami U.S. Attorney’s Office investigation. On January 30, 2015, the U.S. Attorney’s Office filed with the District Court a formal notice that the Department of Justice had declined to intervene in that action. An additional qui tam action relating to these topics was unsealed and voluntarily dismissed by the relator. The U.S. Attorney’s Office in Miami is continuing its evaluation of the medical necessity of certain interventional cardiology services at the other hospitals for which the Company produced records. At this time, we cannot predict what effect, if any, the qui tam action, or any claims that might result from the U.S. Attorney’s continued review, including any potential claims under the federal FCA, other statutes, regulations or laws, could have on the Company.
	On April 2, 2014, the UK Competition and Markets Authority (“Authority”) issued a final report on its investigation of the private health care market in London. It concluded, among other things, that many private hospitals face little competition in central London, and that there are high barriers to entry. As part of its remedies package, the Authority ordered HCA to sell either: (a) its London Bridge and Princess Grace hospitals; or (b) its Wellington Hospital, including the Hospital Platinum Medical Centre. It also imposed other remedial conditions on HCA and other private health care providers, including: regulation of incentives to referring physicians; increased access to information about fees and performance; and restrictions on future arrangements between private providers and National Health Service private patient units. HCA disagrees with the Authority’s assessment of the competitive conditions for hospitals in London, as well as its proposed divestiture remedy, and appealed the decision to the Competition Appeal Tribunal. The Competition Appeal Tribunal overturned certain of the Authority’s findings and sent the matter back to the Authority for further proceedings.
	Securities Class Action Litigation
	On October 28, 2011, a shareholder action, Schuh v. HCA Holdings, Inc. et al., was filed in the United States District Court for the Middle District of Tennessee seeking monetary relief. The case sought to include as a class all persons who acquired the Company’s stock pursuant or traceable to the Company’s Registration Statement issued in connection with the March 9, 2011 initial public offering. The lawsuit asserted a claim under Section 11 of the Securities Act of 1933 against the Company, certain members of the board of directors, and certain underwriters in the offering. It further asserted a claim under Section 15 of the Securities Act of 1933 against the same members of the board of directors. The action alleged various deficiencies in the Company’s disclosures in the Registration Statement. Subsequently, two additional class action complaints, Kishtah v. HCA Holdings, Inc. et al. and Daniels v. HCA Holdings, Inc. et al., setting forth substantially similar claims against substantially the same defendants were filed in the same federal court on November 16, 2011 and December 12, 2011, respectively. All three of the cases were consolidated. On May 3, 2012, the court appointed New England Teamsters & Trucking Industry Pension Fund as Lead Plaintiff for the consolidated action. On July 13, 2012, the lead plaintiff filed an amended complaint asserting claims under Sections 11 and 12(a)(2) of the Securities Act of 1933 against the Company, certain members of the board of directors, and certain underwriters in the offering. It further asserts a claim under Section 15 of the Securities Act of 1933 against the same members of the board of directors and Hercules Holding II, LLC, a majority shareholder of the Company at the time of the initial public offering. The consolidated complaint alleges deficiencies in the Company’s disclosures in the Registration Statement and Prospectus relating to: (1) the accounting for the Company’s 2006 recapitalization and 2010 reorganization; (2) the Company’s failure to maintain effective internal controls relating to its accounting for such transactions; and (3) the Company’s Medicare and Medicaid revenue growth rates. The Company and other defendants moved to dismiss the amended complaint on September 11, 2012. The court granted the motion in part on May 28, 2013. The action proceeded to discovery on the remaining claims. The plaintiffs’ motion for class certification was granted on September 22, 2014. The court certified a class consisting of all persons that acquired HCA stock on or before October 28, 2011 (the date of the lawsuit) pursuant to the Registration Statement issued in connection with the March 9, 2011 initial public offering. A request to the court of appeals to hear an immediate appeal of this ruling was denied. Trial has been set for January 2016.
	In addition to the above described shareholder class actions, on December 8, 2011, a federal shareholder derivative action, Sutton v. Bracken, et al., putatively initiated in the name of the Company, was filed in the United States District Court for the Middle District of Tennessee against certain officers and present and former directors of the Company seeking monetary relief. The action alleges breaches of fiduciary duties by the named officers and directors in connection with the accounting and earnings claims set forth in the shareholder class actions described above. Setting forth substantially similar claims against substantially the same defendants, an additional federal derivative action, Schroeder v. Bracken, et al., was filed in the United States District Court for the Middle District of Tennessee on December 16, 2011, and a state derivative action, Bagot v. Bracken, et al., was filed in Tennessee state court in the Davidson County Circuit Court on December 20, 2011. The federal derivative actions were consolidated in the Middle District of Tennessee and stayed pending developments in the shareholder class actions. The state derivative action had also been stayed pending developments in the shareholder class actions, but that stay has expired. The plaintiff in the state derivative action subsequently filed an amended complaint on September 9, 2013 that added additional allegations made in the shareholder class actions. On September 24, 2013, an additional state derivative action, Steinberg v. Bracken, et al., was filed in Tennessee state court in the Davidson County Circuit Court. This action against our board of directors has been consolidated with the earlier filed state derivative action. The plaintiffs in the consolidated action filed a consolidated complaint on December 4, 2013. The Company filed a motion to again stay the state derivative action pending developments in the class action, but the court has not yet acted on that motion.
	Health Midwest Litigation
	In October 2009, the Health Care Foundation of Greater Kansas City, a nonprofit health foundation, filed suit against HCA Inc. in the Circuit Court of Jackson County, Missouri and alleged that HCA did not fund the level of capital expenditures and uncompensated care agreed to in connection with HCA’s purchase of hospitals from Health Midwest in 2003. The central issue in the case was whether HCA’s construction of new hospitals counted towards its $450 million five-year capital commitments. In addition, the plaintiff alleged that HCA did not make its required capital expenditures in a timely fashion. On January 24, 2013, the court ruled in favor of the plaintiff and awarded at least $162 million. The court also ordered a court-supervised accounting of HCA’s capital expenditures, as well as of expenditures on charity and uncompensated care during the ten years following the purchase. The court also indicated it would award plaintiff attorneys fees, which the parties have stipulated are approximately $12 million for the trial phase. HCA recorded $175 million of legal claim costs in the fourth quarter of 2012 related to this ruling, and consistent with the judge’s order, has been accruing interest on that sum at 9% per annum. On April 25, 2014, the parties stipulated to an additional $78 million shortfall relating to the capital expenditures issue. HCA recorded $78 million of legal claims costs in the first quarter of 2014 as a result of the stipulation, and is accruing interest on that amount at 9% per annum. Pursuant to the terms of the stipulation, the parties have preserved their respective rights to contest the judge’s underlying ruling, whether through motions in the trial court or on appeal. On February 9, 2015, the parties reached an agreement to settle the part of their dispute relating to charity and uncompensated care for $15 million. The foundation is required to use that amount, net of attorneys fees, for charitable activities in the Kansas City area. The parties also agreed on an additional amount for attorneys fees for the plaintiff for the accounting phase of the case. Final judgment in the case currently is anticipated for sometime in 2015. At this time, we cannot predict what effect, if any, the final judgment could have on the Company. HCA plans to appeal the trial court’s ruling on the capital expenditures issues once the trial court enters judgment.

Capital_Structure

Capital Structure	3 Months Ended
	Mar. 31, 2015
Text Block [Abstract]
Capital Structure	NOTE 10 — CAPITAL STRUCTURE
	The changes in stockholders’ deficit, including changes in stockholders’ deficit attributable to HCA Holdings, Inc. and changes in equity attributable to noncontrolling interests, are as follows (dollars and shares in millions):
		Equity (Deficit) Attributable to HCA Holdings, Inc.															Equity			Total
																	Attributable to
		Common Stock						Capital in			Accumulated			Retained			Noncontrolling
								Excess of			Other			Deficit			Interests
								Par			Comprehensive
		Shares			Par Value			Value			Loss
	Balances at December 31, 2014		420.478		$	4		$	—		$	(323	)	$	(7,575	)	$	1,396		$	(6,498	)
	Comprehensive income		—			—			—			(21	)		591			129			699
	Repurchase of common stock		(5.205	)		—			(70	)		—			(296	)		—			(366	)
	Distributions		—			—			—			—			—			(132	)		(132	)
	Share-based benefit plans		3.906			—			68			—			—			—			68
	Other		—			—			2			—			—			5			7
	Balances at March 31, 2015		419.179		$	4		$	—		$	(344	)	$	(7,280	)	$	1,398		$	(6,222	)
	During the first quarter of 2015 and pursuant to the Company’s $1.0 billion repurchase program adopted by the Company’s board of directors in February 2015, we repurchased 5,205,394 shares of our common stock at an average price of $70.24 per share through market purchases.
	On April 18, 2015, the Company entered into an agreement to repurchase 3,806,460 shares of its common stock beneficially owned by affiliates of Bain Capital Investors, LLC (“the Bain Entities”) and certain charitable organizations that received shares of common stock as charitable contributions from certain partners and other employees of the Bain Entities at a purchase price of $77.26 per share, the closing price of the Company’s common stock on the New York Stock Exchange on April 17, 2015, less a discount of 1% (the “Share Repurchase”). The Share Repurchase was made pursuant to the Company’s existing $1.0 billion repurchase program.
	The components of accumulated other comprehensive loss are as follows (dollars in millions):
		Unrealized			Foreign			Defined			Change			Total
		Gains on			Currency			Benefit			in Fair
		Available-			Translation			Plans			Value of
		for-Sale			Adjustments						Derivative
		Securities									Instruments
	Balances at December 31, 2014	$	13		$	(36	)	$	(174	)	$	(126	)	$	(323	)
	Unrealized gains on available-for-sale securities		1			—			—			—			1
	Foreign currency translation adjustments, net of $20 income tax benefit		—			(31	)		—			—			(31	)
	Change in fair value of derivative instruments, net of $8 income tax benefit		—			—			—			(15	)		(15	)
	Expense reclassified into operations from other comprehensive income, net of $2 and $11, respectively, income tax benefits		—			—			4			20			24
	Balances at March 31, 2015	$	14		$	(67	)	$	(170	)	$	(121	)	$	(344	)

Segment_and_Geographic_Informa

Segment and Geographic Information	3 Months Ended
	Mar. 31, 2015
Segment Reporting [Abstract]
Segment and Geographic Information	NOTE 11 — SEGMENT AND GEOGRAPHIC INFORMATION
	We operate in one line of business, which is operating hospitals and related health care entities. We operate in two geographically organized groups: the National and American Groups. The National Group includes 82 hospitals located in Alaska, California, Florida, southern Georgia, Idaho, Indiana, northern Kentucky, Nevada, New Hampshire, South Carolina, Utah and Virginia, and the American Group includes 79 hospitals located in Colorado, northern Georgia, Kansas, southern Kentucky, Louisiana, Mississippi, Missouri, Oklahoma, Tennessee and Texas. We also operate seven hospitals in England, and these facilities are included in the Corporate and other group.
	Adjusted segment EBITDA is defined as income before depreciation and amortization, interest expense, gains on sales of facilities, legal claim costs, income taxes and net income attributable to noncontrolling interests. We use adjusted segment EBITDA as an analytical indicator for purposes of allocating resources to geographic areas and assessing their performance. Adjusted segment EBITDA is commonly used as an analytical indicator within the health care industry, and also serves as a measure of leverage capacity and debt service ability. Adjusted segment EBITDA should not be considered as a measure of financial performance under generally accepted accounting principles, and the items excluded from adjusted segment EBITDA are significant components in understanding and assessing financial performance. Because adjusted segment EBITDA is not a measurement determined in accordance with generally accepted accounting principles and is thus susceptible to varying calculations, adjusted segment EBITDA, as presented, may not be comparable to other similarly titled measures of other companies. The geographic distributions of our revenues, equity in earnings of affiliates, adjusted segment EBITDA and depreciation and amortization for the quarters ended March 31, 2015 and 2014 are summarized in the following table (dollars in millions):
		2015			2014
	Revenues:
	National Group	$	4,650		$	4,162
	American Group		4,501			4,152
	Corporate and other		525			518
		$	9,676		$	8,832
	Equity in earnings of affiliates:
	National Group	$	(3	)	$	(3	)
	American Group		(8	)		(7	)
	Corporate and other		(8	)		1
		$	(19	)	$	(9	)
	Adjusted segment EBITDA:
	National Group	$	1,079		$	857
	American Group		948			850
	Corporate and other		(66	)		(63	)
		$	1,961		$	1,644
	Depreciation and amortization:
	National Group	$	189		$	187
	American Group		221			205
	Corporate and other		63			55
		$	473		$	447
	Adjusted segment EBITDA	$	1,961		$	1,644
	Depreciation and amortization		473			447
	Interest expense		419			460
	Gains on sales of facilities		(9	)		(21	)
	Legal claim costs		—			78
	Income before income taxes	$	1,078		$	680

Supplemental_Condensed_Consoli

Supplemental Condensed Consolidating Financial Information	3 Months Ended
	Mar. 31, 2015
Text Block [Abstract]
Supplemental Condensed Consolidating Financial Information	NOTE 12 — SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION
	On November 23, 2010, HCA Holdings, Inc. issued $1.525 billion aggregate principal amount of 7 3/4% senior unsecured notes due 2021. On December 6, 2012, HCA Holdings, Inc. issued $1.000 billion aggregate principal amount of 6.25% senior unsecured notes due 2021. These notes are senior unsecured obligations and are not guaranteed by any of our subsidiaries.
	HCA Inc., a direct wholly-owned subsidiary of HCA Holdings, Inc., is the obligor under a significant portion of our other indebtedness, including our senior secured credit facilities, senior secured notes and senior unsecured notes (other than the senior unsecured notes issued by HCA Holdings, Inc.). The senior secured notes and senior unsecured notes issued by HCA Inc. are fully and unconditionally guaranteed by HCA Holdings, Inc. The senior secured credit facilities and senior secured notes are fully and unconditionally guaranteed by substantially all existing and future, direct and indirect, 100% owned material domestic subsidiaries that are “Unrestricted Subsidiaries” under our Indenture dated December 16, 1993 (except for certain special purpose subsidiaries that only guarantee and pledge their assets under our senior secured asset-based revolving credit facility).
	Our summarized condensed consolidating comprehensive income statements for the quarters ended March 31, 2015 and 2014, condensed consolidating balance sheets at March 31, 2015 and December 31, 2014 and condensed consolidating statements of cash flows for the quarters ended March 31, 2015 and 2014, segregating HCA Holdings, Inc. issuer, HCA Inc. issuer, the subsidiary guarantors, the subsidiary non-guarantors and eliminations, follow:
	HCA HOLDINGS, INC.
	CONDENSED CONSOLIDATING COMPREHENSIVE INCOME STATEMENT
	FOR THE QUARTER ENDED MARCH 31, 2015
	(Dollars in millions)
		HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
		Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
		Issuer									Guarantors
	Revenues before provision for doubtful accounts	$	—		$	—		$	5,201		$	5,121		$	—		$	10,322
	Provision for doubtful accounts		—			—			296			350			—			646
	Revenues		—			—			4,905			4,771			—			9,676
	Salaries and benefits		—			—			2,217			2,181			—			4,398
	Supplies		—			—			854			784			—			1,638
	Other operating expenses		6			—			820			891			—			1,717
	Electronic health record incentive income		—			—			(13	)		(6	)		—			(19	)
	Equity in earnings of affiliates		(602	)		—			(1	)		(18	)		602			(19	)
	Depreciation and amortization		—			—			230			243			—			473
	Interest expense		46			595			(174	)		(48	)		—			419
	Gains on sales of facilities		—			—			(9	)		—			—			(9	)
	Management fees		—			—			(178	)		178			—			—
			(550	)		595			3,746			4,205			602			8,598
	Income (loss) before income taxes		550			(595	)		1,159			566			(602	)		1,078
	Provision (benefit) for income taxes		(20	)		(224	)		428			174			—			358
	Net income (loss)		570			(371	)		731			392			(602	)		720
	Net income attributable to noncontrolling interests		—			—			23			106			—			129
	Net income (loss) attributable to HCA Holdings, Inc.	$	570		$	(371	)	$	708		$	286		$	(602	)	$	591
	Comprehensive income (loss) attributable to HCA Holdings, Inc.	$	570		$	(366	)	$	712		$	256		$	(602	)	$	570
	HCA HOLDINGS, INC.
	CONDENSED CONSOLIDATING COMPREHENSIVE INCOME STATEMENT
	FOR THE QUARTER ENDED MARCH 31, 2014
	(Dollars in millions)
		HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
		Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
		Issuer									Guarantors
	Revenues before provision for doubtful accounts	$	—		$	—		$	5,030		$	4,653		$	—		$	9,683
	Provision for doubtful accounts		—			—			537			314			—			851
	Revenues		—			—			4,493			4,339			—			8,832
	Salaries and benefits		—			—			2,099			1,951			—			4,050
	Supplies		—			—			814			718			—			1,532
	Other operating expenses		5			—			773			867			—			1,645
	Electronic health record incentive income		—			—			(22	)		(8	)		—			(30	)
	Equity in earnings of affiliates		(403	)		—			(1	)		(8	)		403			(9	)
	Depreciation and amortization		—			—			218			229			—			447
	Interest expense		46			557			(122	)		(21	)		—			460
	Gains on sales of facilities		—			—			(21	)		—			—			(21	)
	Legal claim costs		—			78			—			—			—			78
	Management fees		—			—			(174	)		174			—			—
			(352	)		635			3,564			3,902			403			8,152
	Income (loss) before income taxes		352			(635	)		929			437			(403	)		680
	Provision (benefit) for income taxes		(20	)		(247	)		352			141			—			226
	Net income (loss)		372			(388	)		577			296			(403	)		454
	Net income attributable to noncontrolling interests		—			—			29			78			—			107
	Net income (loss) attributable to HCA Holdings, Inc.	$	372		$	(388	)	$	548		$	218		$	(403	)	$	347
	Comprehensive income (loss) attributable to HCA Holdings, Inc.	$	372		$	(374	)	$	550		$	227		$	(403	)	$	372
	HCA HOLDINGS, INC.
	CONDENSED CONSOLIDATING BALANCE SHEET
	31-Mar-15
	(Dollars in millions)
		HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
		Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
		Issuer									Guarantors
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	—		$	111		$	475		$	—		$	586
Accounts receivable, net		—			—			2,923			3,005			—			5,928
Inventories		—			—			762			525			—			1,287
Deferred income taxes		304			—			—			—			—			304
Other		—			—			375			650			—			1,025
		304			—			4,171			4,655			—			9,130
Property and equipment, net		—			—			7,882			6,510			—			14,392
Investments of insurance subsidiaries		—			—			—			435			—			435
Investments in and advances to affiliates		22,895			—			16			165			(22,895	)		181
Goodwill and other intangible assets		—			—			1,704			4,711			—			6,415
Other		531			—			21			183			—			735
	$	23,730		$	—		$	13,794		$	16,659		$	(22,895	)	$	31,288
LIABILITIES AND
STOCKHOLDERS’ (DEFICIT)
EQUITY
Current liabilities:
Accounts payable	$	4		$	—		$	1,224		$	745		$	—		$	1,973
Accrued salaries		—			—			669			511			—			1,180
Other accrued expenses		399			233			494			856			—			1,982
Long-term debt due within one year		—			1,931			57			49			—			2,037
		403			2,164			2,444			2,161			—			7,172
Long-term debt, net		2,500			24,391			222			293			—			27,406
Intercompany balances		27,903			(9,776	)		(21,842	)		3,715			—			—
Professional liability risks		—			—			—			1,095			—			1,095
Income taxes and other liabilities		544			485			453			355			—			1,837
		31,350			17,264			(18,723	)		7,619			—			37,510
Stockholders’ (deficit) equity attributable to HCA Holdings, Inc.		(7,620	)		(17,264	)		32,405			7,754			(22,895	)		(7,620	)
Noncontrolling interests		—			—			112			1,286			—			1,398
		(7,620	)		(17,264	)		32,517			9,040			(22,895	)		(6,222	)
	$	23,730		$	—		$	13,794		$	16,659		$	(22,895	)	$	31,288
HCA HOLDINGS, INC.
CONDENSED CONSOLIDATING BALANCE SHEET
31-Dec-14
(Dollars in millions)
	HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
	Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
	Issuer									Guarantors
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	—		$	87		$	479		$	—		$	566
Accounts receivable, net		—			—			2,812			2,882			—			5,694
Inventories		—			—			756			523			—			1,279
Deferred income taxes		366			—			—			—			—			366
Other		118			—			376			531			—			1,025
		484			—			4,031			4,415			—			8,930
Property and equipment, net		—			—			7,871			6,484			—			14,355
Investments of insurance subsidiaries		—			—			—			494			—			494
Investments in and advances to affiliates		22,293			—			16			149			(22,293	)		165
Goodwill and other intangible assets		—			—			1,705			4,711			—			6,416
Other		435			—			27			158			—			620
	$	23,212		$	—		$	13,650		$	16,411		$	(22,293	)	$	30,980
LIABILITIES AND STOCKHOLDERS’ (DEFICIT)
EQUITY
Current liabilities:
Accounts payable	$	1		$	—		$	1,272		$	762		$	—		$	2,035
Accrued salaries		—			—			783			587			—			1,370
Other accrued expenses		45			317			517			858			—			1,737
Long-term debt due within one year		—			231			56			51			—			338
		46			548			2,628			2,258			—			5,480
Long-term debt, net		2,499			26,124			185			280			—			29,088
Intercompany balances		28,008			(10,261	)		(21,582	)		3,835			—			—
Professional liability risks		—			—			—			1,078			—			1,078
Income taxes and other liabilities		553			487			605			187			—			1,832
		31,106			16,898			(18,164	)		7,638			—			37,478
Stockholders’ (deficit) equity attributable to HCA Holdings, Inc.		(7,894	)		(16,898	)		31,693			7,498			(22,293	)		(7,894	)
Noncontrolling interests		—			—			121			1,275			—			1,396
		(7,894	)		(16,898	)		31,814			8,773			(22,293	)		(6,498	)
	$	23,212		$	—		$	13,650		$	16,411		$	(22,293	)	$	30,980
HCA HOLDINGS, INC.
CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS
FOR THE QUARTER ENDED MARCH 31, 2015
(Dollars in millions)
	HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
	Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
	Issuer									Guarantors
Cash flows from operating activities:
Net income (loss)	$	570		$	(371	)	$	731		$	392		$	(602	)	$	720
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Changes in operating assets and liabilities		17			(79	)		(739	)		(512	)		—			(1,313	)
Provision for doubtful accounts		—			—			296			350			—			646
Depreciation and amortization		—			—			230			243			—			473
Income taxes		438			—			—			—			—			438
Gains on sales of facilities		—			—			(9	)		—			—			(9	)
Amortization of debt issuance costs		1			9			—			—			—			10
Share-based compensation		48			—			—			—			—			48
Equity in earnings of affiliates		(602	)		—			—			—			602			—
Other		16			—			—			(11	)		—			5
Net cash provided by (used in) operating activities		488			(441	)		509			462			—			1,018
Cash flows from investing activities:
Purchase of property and equipment		—			—			(182	)		(264	)		—			(446	)
Acquisition of hospitals and health care entities		—			—			(10	)		(18	)		—			(28	)
Disposition of hospitals and health care entities		—			—			14			1			—			15
Change in investments		—			—			6			16			—			22
Other		—			—			—			5			—			5
Net cash used in investing activities		—			—			(172	)		(260	)		—			(432	)
Cash flows from financing activities:
Issuance of long-term debt		—			1,000			—			—			—			1,000
Net change in revolving credit facilities		—			(260	)		—			—			—			(260	)
Repayment of long-term debt		—			(771	)		(12	)		(8	)		—			(791	)
Distributions to noncontrolling interests		—			—			(32	)		(100	)		—			(132	)
Payment of debt issuance costs		—			(11	)		—			—			—			(11	)
Repurchases of common stock		(366	)		—			—			—			—			(366	)
Distributions to stockholders		(6	)		—			—			—			—			(6	)
Changes in intercompany balances with affiliates, net		(116	)		483			(269	)		(98	)		—			—
Income tax benefits		38			—			—			—			—			38
Other		(38	)		—			—			—			—			(38	)
Net cash (used in) provided by financing activities		(488	)		441			(313	)		(206	)		—			(566	)
Change in cash and cash equivalents		—			—			24			(4	)		—			20
Cash and cash equivalents at beginning of period		—			—			87			479			—			566
Cash and cash equivalents at end of period	$	—		$	—		$	111		$	475		$	—		$	586
HCA HOLDINGS, INC.
CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS
FOR THE QUARTER ENDED MARCH 31, 2014
(Dollars in millions)
	HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
	Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
	Issuer									Guarantors
Cash flows from operating activities:
Net income (loss)	$	372		$	(388	)	$	577		$	296		$	(403	)	$	454
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Changes in operating assets and liabilities		20			(95	)		(934	)		(552	)		—			(1,561	)
Provision for doubtful accounts		—			—			537			314			—			851
Depreciation and amortization		—			—			218			229			—			447
Income taxes		144			—			—			—			—			144
Gains on sales of facilities		—			—			(21	)		—			—			(21	)
Legal claim costs		—			78			—			—			—			78
Amortization of debt issuance costs		1			13			—			—			—			14
Share-based compensation		37			—			—			—			—			37
Equity in earnings of affiliates		(403	)		—			—			—			403			—
Other		—			2			—			(2	)		—			—
Net cash provided by (used in) operating activities		171			(390	)		377			285			—			443
Cash flows from investing activities:
Purchase of property and equipment		—			—			(217	)		(183	)		—			(400	)
Acquisition of hospitals and health care entities		—			—			—			(19	)		—			(19	)
Disposition of hospitals and health care entities		—			—			19			4			—			23
Change in investments		—			—			(3	)		(10	)		—			(13	)
Net cash used in investing activities		—			—			(201	)		(208	)		—			(409	)
Cash flows from financing activities:
Issuance of long-term debt		—			3,502			—			—			—			3,502
Net change in revolving bank credit facilities		—			(2,440	)		—			—			—			(2,440	)
Repayment of long-term debt		—			(522	)		(12	)		(8	)		—			(542	)
Distributions to noncontrolling interests		—			—			(17	)		(70	)		—			(87	)
Payment of debt issuance costs		—			(48	)		—			—			—			(48	)
Distributions to stockholders		(7	)		—			—			—			—			(7	)
Changes in intercompany balances with affiliates, net		(195	)		(102	)		223			74			—			—
Income tax benefits		50			—			—			—			—			50
Other		(19	)		—			—			(7	)		—			(26	)
Net cash (used in) provided by financing activities		(171	)		390			194			(11	)		—			402
Change in cash and cash equivalents		—			—			370			66			—			436
Cash and cash equivalents at beginning of period		—			—			112			302			—			414
Cash and cash equivalents at end of period	$	—		$	—		$	482		$	368		$	—		$	850

Basis_of_Presentation_and_Sign1

Basis of Presentation and Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2015
Basis of Presentation	Basis of Presentation
	The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all the information and footnotes required by generally accepted accounting principles for complete consolidated financial statements. In the opinion of management, all adjustments considered necessary for a fair presentation have been included and are of a normal and recurring nature.
	The majority of our expenses are “costs of revenues” items. Costs that could be classified as general and administrative would include our corporate office costs, which were $74 million and $68 million for the quarters ended March 31, 2015 and 2014, respectively. Operating results for the quarter ended March 31, 2015 are not necessarily indicative of the results that may be expected for the year ending December 31, 2015. For further information, refer to the consolidated financial statements and footnotes thereto included in our annual report on Form 10-K for the year ended December 31, 2014.
Revenues	Revenues
	Revenues are recorded during the period the health care services are provided, based upon the estimated amounts due from the patients and third-party payers. Third-party payers include federal and state agencies (under Medicare, Medicaid and other programs), managed care health plans (includes the health insurance exchanges), commercial insurance companies and employers. Estimates of contractual allowances under managed care health plans are based upon the payment terms specified in the related contractual agreements. Revenues related to uninsured patients and copayment and deductible amounts for patients who have health care coverage may have discounts applied (uninsured discounts and contractual discounts). We also record a provision for doubtful accounts related to uninsured accounts to record the net self pay revenues at the estimated amounts we expect to collect. Our revenues from third-party payers, the uninsured and other for the quarters ended March 31, 2015 and 2014 are summarized in the following table (dollars in millions):
		2015			Ratio			2014			Ratio
	Medicare	$	2,234			23.1	%	$	2,125			24.1	%
	Managed Medicare		1,052			10.9			899			10.2
	Medicaid		452			4.7			444			5
	Managed Medicaid		549			5.7			421			4.8
	Managed care and other insurers		5,216			53.9			4,710			53.3
	International (managed care and other insurers)		321			3.3			326			3.7
			9,824			101.6			8,925			101.1
	Uninsured		68			0.7			388			4.4
	Other		430			4.4			370			4.2
	Revenues before provision for doubtful accounts		10,322			106.7			9,683			109.7
	Provision for doubtful accounts		(646	)		(6.7	)		(851	)		(9.7	)
	Revenues	$	9,676			100	%	$	8,832			100	%
Recent Pronouncements	Recent Pronouncements
	In May 2014, the Financial Accounting Standards Board (“FASB”) and the International Accounting Standards Board issued a final, converged, principles-based standard on revenue recognition. Companies across all industries will use a five-step model to recognize revenue from customer contracts. The new standard, which replaces nearly all existing United States Generally Accepted Accounting Principles (“US GAAP”) and International Financial Reporting Standards revenue recognition guidance, will require significant management judgment in addition to changing the way many companies recognize revenue in their financial statements. The standard was originally scheduled to become effective for public entities for annual and interim periods beginning after December 15, 2016. Early adoption was originally not to be permitted under US GAAP. During April 2015, the FASB proposed a deferral of the effective date of the new revenue standard by one year, but would permit entities to adopt one year earlier if they choose (i.e., the original effective date). The FASB decided, based on its outreach to various stakeholders and forthcoming exposure drafts, which amend the new revenue standard, that a deferral may be necessary to provide adequate time to effectively implement the new standard. We are continuing to evaluate the effects the adoption of this standard will have on our financial statements and financial disclosures.
	In April 2015, the FASB issued Accounting Standards Update 2015-03, Simplifying the Presentation of Debt Issuance Costs (“ASU 2015-03”), which requires that debt issuance costs be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability. The guidance in the new standard is limited to the presentation of debt issuance costs. The recognition and measurement guidance for debt issuance costs are not affected by ASU 2015-03. We have elected to adopt the new presentation for our March 31, 2015 condensed consolidated financial statements, and the applicable prior year amounts have been reclassified in accordance with ASU 2015-03.
Reclassifications	Reclassifications
	Certain prior year amounts have been reclassified to conform to the current year presentation.
Earning Per Share	We compute basic earnings per share using the weighted average number of common shares outstanding. We compute diluted earnings per share using the weighted average number of common shares outstanding, plus the dilutive effect of outstanding stock options, stock appreciation rights and restricted share units, computed using the treasury stock method.
Fair Value Measurements and Disclosures	Accounting Standards Codification 820, Fair Value Measurements and Disclosures (“ASC 820”) emphasizes fair value is a market-based measurement, not an entity-specific measurement. Therefore, a fair value measurement should be determined based on the assumptions market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, ASC 820 establishes a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs classified within Levels 1 and 2 of the hierarchy) and the reporting entity’s own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy).
	Level 1 inputs utilize quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2 inputs are inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs may include quoted prices for similar assets and liabilities in active markets, as well as inputs observable for the asset or liability (other than quoted prices), such as interest rates, foreign exchange rates and yield curves observable at commonly quoted intervals. Level 3 inputs are unobservable inputs for the asset or liability, which are typically based on an entity’s own assumptions, as there is little, if any, related market activity. In instances where the determination of the fair value measurement is based on inputs from different levels of the fair value hierarchy, the level in the fair value hierarchy within which the entire fair value measurement falls is based on the lowest level input significant to the fair value measurement in its entirety. Our assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability.
Cash Traded Investments	Cash Traded Investments
	Our cash traded investments are generally classified within Level 1 or Level 2 of the fair value hierarchy because they are valued using quoted market prices, broker or dealer quotations, or alternative pricing sources with reasonable levels of price transparency. Certain types of cash traded instruments are classified within Level 3 of the fair value hierarchy because they trade infrequently and therefore have little or no price transparency. The valuation of these securities involves management’s judgment, after consideration of market factors and the absence of market transparency, market liquidity and observable inputs. Our valuation models derived fair market values compared to tax-equivalent yields of other securities of similar credit worthiness and similar effective maturities.
Derivative Financial Instruments	Derivative Financial Instruments
	We have entered into interest rate swap agreements to manage our exposure to fluctuations in interest rates. The valuation of these instruments is determined using widely accepted valuation techniques, including discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. We incorporate credit valuation adjustments to reflect both our own nonperformance risk and the respective counterparty’s nonperformance risk in the fair value measurements.
	Although we determined the majority of the inputs used to value our derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with our derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by us and our counterparties. We assessed the significance of the impact of the credit valuation adjustments on the overall valuation of our derivative positions, and at March 31, 2015 and December 31, 2014, we determined the credit valuation adjustments were not significant to the overall valuation of our derivatives.
Interest Rate Swaps [Member]
Interest Rate Swap Agreements	Interest Rate Swap Agreements
	We have entered into interest rate swap agreements to manage our exposure to fluctuations in interest rates. These swap agreements involve the exchange of fixed and variable rate interest payments between two parties based on common notional principal amounts and maturity dates. Pay-fixed interest rate swaps effectively convert LIBOR indexed variable rate obligations to fixed interest rate obligations. The interest payments under these agreements are settled on a net basis. The net interest payments, based on the notional amounts in these agreements, generally match the timing of the related liabilities for the interest rate swap agreements which have been designated as cash flow hedges. The notional amounts of the swap agreements represent amounts used to calculate the exchange of cash flows and are not our assets or liabilities. Our credit risk related to these agreements is considered low because the swap agreements are with creditworthy financial institutions.

Basis_of_Presentation_and_Sign2

Basis of Presentation and Significant Accounting Policies (Tables)	3 Months Ended
	Mar. 31, 2015
Accounting Policies [Abstract]
Schedule of Revenues from Third Party Payers and Uninsured	Our revenues from third-party payers, the uninsured and other for the quarters ended March 31, 2015 and 2014 are summarized in the following table (dollars in millions):
		2015			Ratio			2014			Ratio
	Medicare	$	2,234			23.1	%	$	2,125			24.1	%
	Managed Medicare		1,052			10.9			899			10.2
	Medicaid		452			4.7			444			5
	Managed Medicaid		549			5.7			421			4.8
	Managed care and other insurers		5,216			53.9			4,710			53.3
	International (managed care and other insurers)		321			3.3			326			3.7
			9,824			101.6			8,925			101.1
	Uninsured		68			0.7			388			4.4
	Other		430			4.4			370			4.2
	Revenues before provision for doubtful accounts		10,322			106.7			9,683			109.7
	Provision for doubtful accounts		(646	)		(6.7	)		(851	)		(9.7	)
	Revenues	$	9,676			100	%	$	8,832			100	%

Earnings_Per_Share_Tables

Earnings Per Share (Tables)	3 Months Ended
	Mar. 31, 2015
Earnings Per Share [Abstract]
Schedule of Computations of Basic and Diluted Earnings Per Share	The following table sets forth the computation of basic and diluted earnings per share for the quarters ended March 31, 2015 and 2014 (dollars and shares in millions, except per share amounts):
		2015		2014
	Net income attributable to HCA Holdings, Inc.	$	591	$	347
	Weighted average common shares outstanding		420.148		442.15
	Effect of dilutive incremental shares		15.161		15.299
	Shares used for diluted earnings per share		435.309		457.449
	Earnings per share:
	Basic earnings per share	$	1.41	$	0.78
	Diluted earnings per share	$	1.36	$	0.76

Investments_of_Insurance_Subsi1

Investments of Insurance Subsidiaries (Tables)	3 Months Ended
	Mar. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Schedule of Investments	A summary of our insurance subsidiaries’ investments at March 31, 2015 and December 31, 2014 follows (dollars in millions):
		March 31, 2015
		Amortized		Unrealized					Fair
		Cost		Amounts					Value
				Gains		Losses
	Debt securities:
	States and municipalities	$	471	$	18	$	(1	)	$	488
	Money market funds		38		—		—			38
			509		18		(1	)		526
	Equity securities		1		3		—			4
		$	510	$	21	$	(1	)		530
	Amounts classified as current assets									(95	)
	Investment carrying value								$	435
Schedule of Maturities of Investments	Scheduled maturities of investments in debt securities at March 31, 2015 were as follows (dollars in millions):
		Amortized		Fair
		Cost		Value
	Due in one year or less	$	71	$	71
	Due after one year through five years		204		208
	Due after five years through ten years		124		132
	Due after ten years		110		115
		$	509	$	526

Financial_Instruments_Tables

Financial Instruments (Tables)	3 Months Ended
	Mar. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of Interest Rate Swap Agreements Designated as Cash Flow Hedges	The following table sets forth our interest rate swap agreements, which have been designated as cash flow hedges, at March 31, 2015 (dollars in millions):
		Notional		Maturity Date		Fair
		Amount				Value
	Pay-fixed interest rate swaps	$	3,000		December 2016	$	(154	)
	Pay-fixed interest rate swaps		1,000		Dec-17		(37	)
Effect of Interest Rate on Results of Operations	The following table presents the effect of our interest rate swaps on our results of operations for the quarter ended March 31, 2015 (dollars in millions):
	Derivatives in Cash Flow Hedging Relationships	Amount of Loss		Location of Loss		Amount of Loss
		Recognized in OCI on		Reclassified from		Reclassified from
		Derivatives, Net of  Tax		Accumulated OCI		Accumulated OCI
				into Operations		into Operations
	Interest rate swaps	$	15		Interest expense	$	31

Assets_and_Liabilities_Measure1

Assets and Liabilities Measured at Fair Value (Tables)	3 Months Ended
	Mar. 31, 2015
Fair Value Disclosures [Abstract]
Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis	The following tables summarize our assets and liabilities measured at fair value on a recurring basis as of March 31, 2015 and December 31, 2014, aggregated by the level in the fair value hierarchy within which those measurements fall (dollars in millions):
		March 31, 2015
		Fair Value			Fair Value Measurements Using
					Quoted Prices in			Significant Other			Significant
					Active Markets for			Observable Inputs			Unobservable Inputs
					Identical Assets			(Level 2)			(Level 3)
					and Liabilities
					(Level 1)
	Assets:
	Investments of insurance subsidiaries:
	Debt securities:
	States and municipalities	$	488		$	—		$	482		$	6
	Money market funds		38			38			—			—
			526			38			482			6
	Equity securities		4			4			—			—
	Investments of insurance subsidiaries		530			42			482			6
	Less amounts classified as current assets		(95	)		(38	)		(57	)		—
		$	435		$	4		$	425		$	6
	Liabilities:
	Interest rate swaps (Income taxes and other liabilities)	$	191		$	—		$	191		$	—
		December 31, 2014
					Fair Value Measurements Using
		Fair Value			Quoted Prices in			Significant Other			Significant
					Active Markets for			Observable Inputs			Unobservable Inputs
					Identical Assets			(Level 2)			(Level 3)
					and Liabilities
					(Level 1)
	Assets:
	Investments of insurance subsidiaries:
	Debt securities:
	States and municipalities	$	494		$	—		$	488		$	6
	Money market funds		61			61			—			—
			555			61			488			6
	Equity securities		3			3			—			—
	Investments of insurance subsidiaries		558			64			488			6
	Less amounts classified as current assets		(64	)		(61	)		(3	)		—
		$	494		$	3		$	485		$	6
	Liabilities:
	Interest rate swaps (Income taxes and other liabilities)	$	199		$	—		$	199		$	—

LongTerm_Debt_Tables

Long-Term Debt (Tables)	3 Months Ended
	Mar. 31, 2015
Debt Disclosure [Abstract]
Schedule of Long-Term Debt	A summary of long-term debt at March 31, 2015 and December 31, 2014, including related interest rates at March 31, 2015, follows (dollars in millions):
		March 31,		December 31,
		2015		2014
	Senior secured asset-based revolving credit facility (effective interest rate of 1.7%)	$	2,620	$	2,880
	Senior secured revolving credit facility		—		—
	Senior secured term loan facilities (effective interest rate of 5.2%)		5,497		5,517
	Senior secured first lien notes (effective interest rate of 5.5%)		11,100		11,100
	Other senior secured debt (effective interest rate of 6.1%)		621		573
	First lien debt		19,838		20,070
	Senior unsecured notes (effective interest rate of 7.1%)		9,825		9,575
	Less debt issuance costs		220		219
	Total debt (average life of 6.2 years, rates averaging 5.6%)		29,443		29,426
	Less amounts due within one year		2,037		338
		$	27,406	$	29,088

Capital_Structure_Tables

Capital Structure (Tables)	3 Months Ended
	Mar. 31, 2015
Text Block [Abstract]
Schedule of Changes in Stockholders' Deficit and Equity	The changes in stockholders’ deficit, including changes in stockholders’ deficit attributable to HCA Holdings, Inc. and changes in equity attributable to noncontrolling interests, are as follows (dollars and shares in millions):
		Equity (Deficit) Attributable to HCA Holdings, Inc.															Equity			Total
																	Attributable to
		Common Stock						Capital in			Accumulated			Retained			Noncontrolling
								Excess of			Other			Deficit			Interests
								Par			Comprehensive
		Shares			Par Value			Value			Loss
	Balances at December 31, 2014		420.478		$	4		$	—		$	(323	)	$	(7,575	)	$	1,396		$	(6,498	)
	Comprehensive income		—			—			—			(21	)		591			129			699
	Repurchase of common stock		(5.205	)		—			(70	)		—			(296	)		—			(366	)
	Distributions		—			—			—			—			—			(132	)		(132	)
	Share-based benefit plans		3.906			—			68			—			—			—			68
	Other		—			—			2			—			—			5			7
	Balances at March 31, 2015		419.179		$	4		$	—		$	(344	)	$	(7,280	)	$	1,398		$	(6,222	)
Components of Accumulated Other Comprehensive Loss	The components of accumulated other comprehensive loss are as follows (dollars in millions):
		Unrealized			Foreign			Defined			Change			Total
		Gains on			Currency			Benefit			in Fair
		Available-			Translation			Plans			Value of
		for-Sale			Adjustments						Derivative
		Securities									Instruments
	Balances at December 31, 2014	$	13		$	(36	)	$	(174	)	$	(126	)	$	(323	)
	Unrealized gains on available-for-sale securities		1			—			—			—			1
	Foreign currency translation adjustments, net of $20 income tax benefit		—			(31	)		—			—			(31	)
	Change in fair value of derivative instruments, net of $8 income tax benefit		—			—			—			(15	)		(15	)
	Expense reclassified into operations from other comprehensive income, net of $2 and $11, respectively, income tax benefits		—			—			4			20			24
	Balances at March 31, 2015	$	14		$	(67	)	$	(170	)	$	(121	)	$	(344	)

Segment_and_Geographic_Informa1

Segment and Geographic Information (Tables)	3 Months Ended
	Mar. 31, 2015
Segment Reporting [Abstract]
Schedule of Geographic Distributions of Revenues, Equity in Earnings of Affiliates, Adjusted Segment EBITDA and Depreciation and Amortization	The geographic distributions of our revenues, equity in earnings of affiliates, adjusted segment EBITDA and depreciation and amortization for the quarters ended March 31, 2015 and 2014 are summarized in the following table (dollars in millions):
		2015			2014
	Revenues:
	National Group	$	4,650		$	4,162
	American Group		4,501			4,152
	Corporate and other		525			518
		$	9,676		$	8,832
	Equity in earnings of affiliates:
	National Group	$	(3	)	$	(3	)
	American Group		(8	)		(7	)
	Corporate and other		(8	)		1
		$	(19	)	$	(9	)
	Adjusted segment EBITDA:
	National Group	$	1,079		$	857
	American Group		948			850
	Corporate and other		(66	)		(63	)
		$	1,961		$	1,644
	Depreciation and amortization:
	National Group	$	189		$	187
	American Group		221			205
	Corporate and other		63			55
		$	473		$	447
	Adjusted segment EBITDA	$	1,961		$	1,644
	Depreciation and amortization		473			447
	Interest expense		419			460
	Gains on sales of facilities		(9	)		(21	)
	Legal claim costs		—			78
	Income before income taxes	$	1,078		$	680

Supplemental_Condensed_Consoli1

Supplemental Condensed Consolidating Financial Information (Tables)	3 Months Ended
	Mar. 31, 2015
Text Block [Abstract]
Schedule of Condensed Consolidating Comprehensive Income Statement	HCA HOLDINGS, INC.
	CONDENSED CONSOLIDATING COMPREHENSIVE INCOME STATEMENT
	FOR THE QUARTER ENDED MARCH 31, 2015
	(Dollars in millions)
		HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
		Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
		Issuer									Guarantors
	Revenues before provision for doubtful accounts	$	—		$	—		$	5,201		$	5,121		$	—		$	10,322
	Provision for doubtful accounts		—			—			296			350			—			646
	Revenues		—			—			4,905			4,771			—			9,676
	Salaries and benefits		—			—			2,217			2,181			—			4,398
	Supplies		—			—			854			784			—			1,638
	Other operating expenses		6			—			820			891			—			1,717
	Electronic health record incentive income		—			—			(13	)		(6	)		—			(19	)
	Equity in earnings of affiliates		(602	)		—			(1	)		(18	)		602			(19	)
	Depreciation and amortization		—			—			230			243			—			473
	Interest expense		46			595			(174	)		(48	)		—			419
	Gains on sales of facilities		—			—			(9	)		—			—			(9	)
	Management fees		—			—			(178	)		178			—			—
			(550	)		595			3,746			4,205			602			8,598
	Income (loss) before income taxes		550			(595	)		1,159			566			(602	)		1,078
	Provision (benefit) for income taxes		(20	)		(224	)		428			174			—			358
	Net income (loss)		570			(371	)		731			392			(602	)		720
	Net income attributable to noncontrolling interests		—			—			23			106			—			129
	Net income (loss) attributable to HCA Holdings, Inc.	$	570		$	(371	)	$	708		$	286		$	(602	)	$	591
	Comprehensive income (loss) attributable to HCA Holdings, Inc.	$	570		$	(366	)	$	712		$	256		$	(602	)	$	570
	HCA HOLDINGS, INC.
	CONDENSED CONSOLIDATING COMPREHENSIVE INCOME STATEMENT
	FOR THE QUARTER ENDED MARCH 31, 2014
	(Dollars in millions)
		HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
		Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
		Issuer									Guarantors
	Revenues before provision for doubtful accounts	$	—		$	—		$	5,030		$	4,653		$	—		$	9,683
	Provision for doubtful accounts		—			—			537			314			—			851
	Revenues		—			—			4,493			4,339			—			8,832
	Salaries and benefits		—			—			2,099			1,951			—			4,050
	Supplies		—			—			814			718			—			1,532
	Other operating expenses		5			—			773			867			—			1,645
	Electronic health record incentive income		—			—			(22	)		(8	)		—			(30	)
	Equity in earnings of affiliates		(403	)		—			(1	)		(8	)		403			(9	)
	Depreciation and amortization		—			—			218			229			—			447
	Interest expense		46			557			(122	)		(21	)		—			460
	Gains on sales of facilities		—			—			(21	)		—			—			(21	)
	Legal claim costs		—			78			—			—			—			78
	Management fees		—			—			(174	)		174			—			—
			(352	)		635			3,564			3,902			403			8,152
	Income (loss) before income taxes		352			(635	)		929			437			(403	)		680
	Provision (benefit) for income taxes		(20	)		(247	)		352			141			—			226
	Net income (loss)		372			(388	)		577			296			(403	)		454
	Net income attributable to noncontrolling interests		—			—			29			78			—			107
	Net income (loss) attributable to HCA Holdings, Inc.	$	372		$	(388	)	$	548		$	218		$	(403	)	$	347
	Comprehensive income (loss) attributable to HCA Holdings, Inc.	$	372		$	(374	)	$	550		$	227		$	(403	)	$	372
Schedule of Condensed Consolidating Balance Sheet	HCA HOLDINGS, INC.
	CONDENSED CONSOLIDATING BALANCE SHEET
	31-Mar-15
	(Dollars in millions)
		HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
		Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
		Issuer									Guarantors
	ASSETS
	Current assets:
	Cash and cash equivalents	$	—		$	—		$	111		$	475		$	—		$	586
	Accounts receivable, net		—			—			2,923			3,005			—			5,928
	Inventories		—			—			762			525			—			1,287
	Deferred income taxes		304			—			—			—			—			304
	Other		—			—			375			650			—			1,025
			304			—			4,171			4,655			—			9,130
	Property and equipment, net		—			—			7,882			6,510			—			14,392
	Investments of insurance subsidiaries		—			—			—			435			—			435
	Investments in and advances to affiliates		22,895			—			16			165			(22,895	)		181
	Goodwill and other intangible assets		—			—			1,704			4,711			—			6,415
	Other		531			—			21			183			—			735
		$	23,730		$	—		$	13,794		$	16,659		$	(22,895	)	$	31,288
	LIABILITIES AND
	STOCKHOLDERS’ (DEFICIT)
	EQUITY
	Current liabilities:
	Accounts payable	$	4		$	—		$	1,224		$	745		$	—		$	1,973
	Accrued salaries		—			—			669			511			—			1,180
	Other accrued expenses		399			233			494			856			—			1,982
	Long-term debt due within one year		—			1,931			57			49			—			2,037
			403			2,164			2,444			2,161			—			7,172
	Long-term debt, net		2,500			24,391			222			293			—			27,406
	Intercompany balances		27,903			(9,776	)		(21,842	)		3,715			—			—
	Professional liability risks		—			—			—			1,095			—			1,095
	Income taxes and other liabilities		544			485			453			355			—			1,837
			31,350			17,264			(18,723	)		7,619			—			37,510
	Stockholders’ (deficit) equity attributable to HCA Holdings, Inc.		(7,620	)		(17,264	)		32,405			7,754			(22,895	)		(7,620	)
	Noncontrolling interests		—			—			112			1,286			—			1,398
			(7,620	)		(17,264	)		32,517			9,040			(22,895	)		(6,222	)
		$	23,730		$	—		$	13,794		$	16,659		$	(22,895	)	$	31,288
	HCA HOLDINGS, INC.
	CONDENSED CONSOLIDATING BALANCE SHEET
	31-Dec-14
	(Dollars in millions)
		HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
		Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
		Issuer									Guarantors
	ASSETS
	Current assets:
	Cash and cash equivalents	$	—		$	—		$	87		$	479		$	—		$	566
	Accounts receivable, net		—			—			2,812			2,882			—			5,694
	Inventories		—			—			756			523			—			1,279
	Deferred income taxes		366			—			—			—			—			366
	Other		118			—			376			531			—			1,025
			484			—			4,031			4,415			—			8,930
	Property and equipment, net		—			—			7,871			6,484			—			14,355
	Investments of insurance subsidiaries		—			—			—			494			—			494
	Investments in and advances to affiliates		22,293			—			16			149			(22,293	)		165
	Goodwill and other intangible assets		—			—			1,705			4,711			—			6,416
	Other		435			—			27			158			—			620
		$	23,212		$	—		$	13,650		$	16,411		$	(22,293	)	$	30,980
	LIABILITIES AND STOCKHOLDERS’ (DEFICIT)
	EQUITY
	Current liabilities:
	Accounts payable	$	1		$	—		$	1,272		$	762		$	—		$	2,035
Accrued salaries		—			—			783			587			—			1,370
Other accrued expenses		45			317			517			858			—			1,737
Long-term debt due within one year		—			231			56			51			—			338
		46			548			2,628			2,258			—			5,480
Long-term debt, net		2,499			26,124			185			280			—			29,088
Intercompany balances		28,008			(10,261	)		(21,582	)		3,835			—			—
Professional liability risks		—			—			—			1,078			—			1,078
Income taxes and other liabilities		553			487			605			187			—			1,832
		31,106			16,898			(18,164	)		7,638			—			37,478
Stockholders’ (deficit) equity attributable to HCA Holdings, Inc.		(7,894	)		(16,898	)		31,693			7,498			(22,293	)		(7,894	)
Noncontrolling interests		—			—			121			1,275			—			1,396
		(7,894	)		(16,898	)		31,814			8,773			(22,293	)		(6,498	)
	$	23,212		$	—		$	13,650		$	16,411		$	(22,293	)	$	30,980
Schedule of Condensed Consolidating Statement of Cash Flows	HCA HOLDINGS, INC.
	CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS
	FOR THE QUARTER ENDED MARCH 31, 2015
	(Dollars in millions)
		HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
		Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
		Issuer									Guarantors
	Cash flows from operating activities:
	Net income (loss)	$	570		$	(371	)	$	731		$	392		$	(602	)	$	720
	Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
	Changes in operating assets and liabilities		17			(79	)		(739	)		(512	)		—			(1,313	)
	Provision for doubtful accounts		—			—			296			350			—			646
	Depreciation and amortization		—			—			230			243			—			473
	Income taxes		438			—			—			—			—			438
	Gains on sales of facilities		—			—			(9	)		—			—			(9	)
	Amortization of debt issuance costs		1			9			—			—			—			10
	Share-based compensation		48			—			—			—			—			48
	Equity in earnings of affiliates		(602	)		—			—			—			602			—
	Other		16			—			—			(11	)		—			5
	Net cash provided by (used in) operating activities		488			(441	)		509			462			—			1,018
	Cash flows from investing activities:
	Purchase of property and equipment		—			—			(182	)		(264	)		—			(446	)
	Acquisition of hospitals and health care entities		—			—			(10	)		(18	)		—			(28	)
	Disposition of hospitals and health care entities		—			—			14			1			—			15
	Change in investments		—			—			6			16			—			22
	Other		—			—			—			5			—			5
	Net cash used in investing activities		—			—			(172	)		(260	)		—			(432	)
	Cash flows from financing activities:
	Issuance of long-term debt		—			1,000			—			—			—			1,000
	Net change in revolving credit facilities		—			(260	)		—			—			—			(260	)
	Repayment of long-term debt		—			(771	)		(12	)		(8	)		—			(791	)
	Distributions to noncontrolling interests		—			—			(32	)		(100	)		—			(132	)
	Payment of debt issuance costs		—			(11	)		—			—			—			(11	)
	Repurchases of common stock		(366	)		—			—			—			—			(366	)
	Distributions to stockholders		(6	)		—			—			—			—			(6	)
	Changes in intercompany balances with affiliates, net		(116	)		483			(269	)		(98	)		—			—
	Income tax benefits		38			—			—			—			—			38
	Other		(38	)		—			—			—			—			(38	)
	Net cash (used in) provided by financing activities		(488	)		441			(313	)		(206	)		—			(566	)
	Change in cash and cash equivalents		—			—			24			(4	)		—			20
	Cash and cash equivalents at beginning of period		—			—			87			479			—			566
	Cash and cash equivalents at end of period	$	—		$	—		$	111		$	475		$	—		$	586
	HCA HOLDINGS, INC.
	CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS
	FOR THE QUARTER ENDED MARCH 31, 2014
	(Dollars in millions)
		HCA			HCA Inc.			Subsidiary			Subsidiary			Eliminations			Condensed
		Holdings, Inc.			Issuer			Guarantors			Non-						Consolidated
		Issuer									Guarantors
	Cash flows from operating activities:
	Net income (loss)	$	372		$	(388	)	$	577		$	296		$	(403	)	$	454
	Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
	Changes in operating assets and liabilities		20			(95	)		(934	)		(552	)		—			(1,561	)
	Provision for doubtful accounts		—			—			537			314			—			851
	Depreciation and amortization		—			—			218			229			—			447
	Income taxes		144			—			—			—			—			144
	Gains on sales of facilities		—			—			(21	)		—			—			(21	)
	Legal claim costs		—			78			—			—			—			78
	Amortization of debt issuance costs		1			13			—			—			—			14
	Share-based compensation		37			—			—			—			—			37
	Equity in earnings of affiliates		(403	)		—			—			—			403			—
	Other		—			2			—			(2	)		—			—
	Net cash provided by (used in) operating activities		171			(390	)		377			285			—			443
	Cash flows from investing activities:
Purchase of property and equipment		—			—			(217	)		(183	)		—			(400	)
Acquisition of hospitals and health care entities		—			—			—			(19	)		—			(19	)
Disposition of hospitals and health care entities		—			—			19			4			—			23
Change in investments		—			—			(3	)		(10	)		—			(13	)
Net cash used in investing activities		—			—			(201	)		(208	)		—			(409	)
Cash flows from financing activities:
Issuance of long-term debt		—			3,502			—			—			—			3,502
Net change in revolving bank credit facilities		—			(2,440	)		—			—			—			(2,440	)
Repayment of long-term debt		—			(522	)		(12	)		(8	)		—			(542	)
Distributions to noncontrolling interests		—			—			(17	)		(70	)		—			(87	)
Payment of debt issuance costs		—			(48	)		—			—			—			(48	)
Distributions to stockholders		(7	)		—			—			—			—			(7	)
Changes in intercompany balances with affiliates, net		(195	)		(102	)		223			74			—			—
Income tax benefits		50			—			—			—			—			50
Other		(19	)		—			—			(7	)		—			(26	)
Net cash (used in) provided by financing activities		(171	)		390			194			(11	)		—			402
Change in cash and cash equivalents		—			—			370			66			—			436
Cash and cash equivalents at beginning of period		—			—			112			302			—			414
Cash and cash equivalents at end of period	$	—		$	—		$	482		$	368		$	—		$	850

Basis_of_Presentation_and_Sign3

Basis of Presentation and Significant Accounting Policies - Additional Information (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
	Hospital
	Surgery_Center
	State
Accounting Policies [Abstract]
Number of owned and operated hospitals	168
Number of freestanding surgery centers	113
Number of facilities locations	20
General and administrative expense	$74	$68

Basis_of_Presentation_and_Sign4

Basis of Presentation and Significant Accounting Policies - Schedule of Revenues from Third Party Payers and Uninsured (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Revenues From Third Party Payers [Line Items]
Revenues from third party payers	$9,824	$8,925
Uninsured	68	388
Other	430	370
Revenues before provision for doubtful accounts	10,322	9,683
Provision for doubtful accounts	-646	-851
Revenues	9,676	8,832
Revenues from third party payers, Ratio	101.60%	101.10%
Uninsured, Ratio	0.70%	4.40%
Other, Ratio	4.40%	4.20%
Revenues before provision for doubtful accounts, Ratio	106.70%	109.70%
Revenues before provision for doubtful accounts, Ratio	106.70%	109.70%
Provision for doubtful accounts, Ratio	-6.70%	-9.70%
Revenues ratio from third party payers	100.00%	100.00%
Medicare [Member]
Revenues From Third Party Payers [Line Items]
Revenues from third party payers	2,234	2,125
Revenues from third party payers, Ratio	23.10%	24.10%
Managed Medicare [Member]
Revenues From Third Party Payers [Line Items]
Revenues from third party payers	1,052	899
Revenues from third party payers, Ratio	10.90%	10.20%
Medicaid [Member]
Revenues From Third Party Payers [Line Items]
Revenues from third party payers	452	444
Revenues from third party payers, Ratio	4.70%	5.00%
Managed Medicaid [Member]
Revenues From Third Party Payers [Line Items]
Revenues from third party payers	549	421
Revenues from third party payers, Ratio	5.70%	4.80%
Managed Care and Other Insurers [Member]
Revenues From Third Party Payers [Line Items]
Revenues from third party payers	5,216	4,710
Revenues from third party payers, Ratio	53.90%	53.30%
International (Managed Care and Other Insurers) [Member]
Revenues From Third Party Payers [Line Items]
Revenues from third party payers	$321	$326
Revenues from third party payers, Ratio	3.30%	3.70%

Acquisitions_and_Dispositions_

Acquisitions and Dispositions - Additional Information (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Business Acquisition [Line Items]
Proceeds from sale of business	$15	$23
Nonhospital Health Care [Member]
Business Acquisition [Line Items]
Cash paid for acquisition	28	6
Hospitals [Member]
Business Acquisition [Line Items]
Cash paid for acquisition		13
Real Estate [Member]
Business Acquisition [Line Items]
Pretax gain (loss) on sales of business	9	21
Proceeds from sale of business	$15	$23

Income_Taxes_Additional_Inform

Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Liability for unrecognized tax benefits		$544	$548
Unrecognized tax benefits, accrued interest		62	58
Unrecognized tax benefits that would impact effective tax rate		215	205
Interest expense related to taxing authority examinations	4
Interest expense related to taxing authority examinations, net of tax	$3

Earnings_Per_Share_Schedule_of

Earnings Per Share - Schedule of Computations of Basic and Diluted Earnings Per Share (Detail) (USD $)	3 Months Ended
In Millions, except Share data in Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Earnings Per Share [Abstract]
Net income attributable to HCA Holdings, Inc.	$591	$347
Weighted average common shares outstanding	420,148	442,150
Effect of dilutive incremental shares	15,161	15,299
Shares used for diluted earnings per share	435,309	457,449
Basic earnings per share	$1.41	$0.78
Diluted earnings per share	$1.36	$0.76

Investments_of_Insurance_Subsi2

Investments of Insurance Subsidiaries - Schedule of Investments (Detail) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Millions, unless otherwise specified
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	$510	$539
Unrealized Amounts, Gains	21	20
Unrealized Amounts, Losses	-1	-1
Fair Value	530	558
Amounts classified as current assets	-95	-64
Investment carrying value	435	494
Debt Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	509	538
Unrealized Amounts, Gains	18	18
Unrealized Amounts, Losses	-1	-1
Fair Value	526	555
Debt Securities [Member] | States and Municipalities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	471	477
Unrealized Amounts, Gains	18	18
Unrealized Amounts, Losses	-1	-1
Fair Value	488	494
Debt Securities [Member] | Money Market Funds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	38	61
Fair Value	38	61
Equity Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	1	1
Unrealized Amounts, Gains	3	2
Fair Value	$4	$3

Investments_of_Insurance_Subsi3

Investments of Insurance Subsidiaries - Additional Information (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015
Amortized Cost and Fair Value Debt Securities [Abstract]
Amounts classified as current assets	$43
Available for sale securities expected maturity of debt securities	4 years
Available for sale securities average scheduled maturity	5 years 8 months 12 days

Investments_of_Insurance_Subsi4

Investments of Insurance Subsidiaries - Schedule of Maturities of Investments (Detail) (USD $)	Mar. 31, 2015
In Millions, unless otherwise specified
Amortized Cost and Fair Value Debt Securities [Abstract]
Due in one year or less, Amortized Cost	$71
Due after one year through five years, Amortized Cost	204
Due after five years through ten years, Amortized Cost	124
Due after ten years, Amortized Cost	110
Amortized Cost, Total	509
Due in one year or less, Fair Value	71
Due after one year through five years, Fair Value	208
Due after five years through ten years, Fair Value	132
Due after ten years, Fair Value	115
Fair Value, Total	$526

Financial_Instruments_Schedule

Financial Instruments - Schedule of Interest Rate Swap Agreements Designated as Cash Flow Hedges (Detail) (Pay-Fixed Interest Rate Swaps [Member], USD $)	3 Months Ended
	Mar. 31, 2015
Maturity Date, 2016 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount	$3,000,000,000
Fair Value	-154,000,000
Maturity Date	31-Dec-16
Maturity Date, 2017 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount	1,000,000,000
Fair Value	($37,000,000)
Maturity Date	31-Dec-17

Financial_Instruments_Addition

Financial Instruments - Additional Information (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015
Offsetting [Abstract]
Estimated amount reclassified from other comprehensive income to interest expense	$116
Estimated termination value if there is breach of provision related to derivative agreement	$197

Financial_Instruments_Effect_o

Financial Instruments - Effect of Interest Rate Swaps on Results of Operations (Detail) (Interest Rate Swaps [Member], USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in OCI on Derivatives, Net of Tax	$15
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Reclassified from Accumulated OCI into Operations	$31

Assets_and_Liabilities_Measure2

Assets and Liabilities Measured at Fair Value - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Millions, unless otherwise specified
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	$530	$558
Assets, Fair Value	530	558
Less amounts classified as current assets	-95	-64
Investments of insurance subsidiaries, noncurrent	435	494
Interest Rate Swaps [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liabilities, Fair Value	191	199
Debt Securities [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	526	555
Assets, Fair Value	526	555
Debt Securities [Member] | States and Municipalities [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	488	494
Assets, Fair Value	488	494
Debt Securities [Member] | Money Market Funds [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	38	61
Assets, Fair Value	38	61
Equity Securities [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	4	3
Assets, Fair Value	4	3
Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	42	64
Assets, Fair Value	42	64
Less amounts classified as current assets	-38	-61
Investments of insurance subsidiaries, noncurrent	4	3
Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) [Member] | Debt Securities [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	38	61
Assets, Fair Value	38	61
Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) [Member] | Debt Securities [Member] | Money Market Funds [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	38	61
Assets, Fair Value	38	61
Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) [Member] | Equity Securities [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	4	3
Assets, Fair Value	4	3
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	482	488
Assets, Fair Value	482	488
Less amounts classified as current assets	-57	-3
Investments of insurance subsidiaries, noncurrent	425	485
Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Swaps [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liabilities, Fair Value	191	199
Significant Other Observable Inputs (Level 2) [Member] | Debt Securities [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	482	488
Assets, Fair Value	482	488
Significant Other Observable Inputs (Level 2) [Member] | Debt Securities [Member] | States and Municipalities [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	482	488
Assets, Fair Value	482	488
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	6	6
Assets, Fair Value	6	6
Investments of insurance subsidiaries, noncurrent	6	6
Significant Unobservable Inputs (Level 3) [Member] | Debt Securities [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	6	6
Assets, Fair Value	6	6
Significant Unobservable Inputs (Level 3) [Member] | Debt Securities [Member] | States and Municipalities [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value	6	6
Assets, Fair Value	$6	$6

Assets_and_Liabilities_Measure3

Assets and Liabilities Measured at Fair Value - Additional Information (Detail) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Millions, unless otherwise specified
Fair Value Disclosures [Abstract]
Estimated fair value of long-term debt	$31,384	$30,861
Carrying amounts of long-term debt	$29,663	$29,645

LongTerm_Debt_Schedule_of_Long

Long-Term Debt - Schedule of Long-Term Debt (Detail) (USD $)	3 Months Ended	12 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
First lien debt	$19,838	$20,070
Less debt issuance costs	220	219
Total debt (average life of 6.2 years, rates averaging 5.6%)	29,443	29,426
Total debt (average life of 6.2 years, rates averaging 5.6%)	29,443	29,426
Less amounts due within one year	2,037	338
Long-term debt	27,406	29,088
Senior Secured Asset-Based Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term line of credit	2,620	2,880
Senior Secured Term Loan Facilities [Member]
Debt Instrument [Line Items]
Term loans	5,497	5,517
Senior Secured First Lien Notes [Member]
Debt Instrument [Line Items]
Senior secured first lien notes	11,100	11,100
Other Senior Secured Debt [Member]
Debt Instrument [Line Items]
Other senior secured debt (effective interest rate of 6.1%)	621	573
Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Senior unsecured notes	$9,825	$9,575

LongTerm_Debt_Schedule_of_Long1

Long-Term Debt - Schedule of Long-Term Debt (Parenthetical) (Detail)	3 Months Ended
	Mar. 31, 2015
Debt Instrument [Line Items]
Total debt average term	6 years 2 months 12 days
Total debt average rate	5.60%
Senior Secured Asset-Based Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Effective interest rate	1.70%
Senior Secured Term Loan Facilities [Member]
Debt Instrument [Line Items]
Effective interest rate	5.20%
Senior Secured First Lien Notes [Member]
Debt Instrument [Line Items]
Effective interest rate	5.50%
Other Senior Secured Debt [Member]
Debt Instrument [Line Items]
Effective interest rate	6.10%
Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Effective interest rate	7.10%

LongTerm_Debt_Additional_Infor

Long-Term Debt - Additional Information (Detail) (USD $)	0 Months Ended		3 Months Ended
In Millions, unless otherwise specified	Nov. 30, 2014	Apr. 30, 2014	Mar. 31, 2015	Mar. 31, 2014	Oct. 31, 2014	Jan. 31, 2015
Debt Instrument [Line Items]
Pretax loss on retirement of debt	$109	$226
Debt instrument, repayment amount			791	542
Senior Secured Notes Due 2019 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount				1,500	600
Debt instrument, stated interest		8.50%		3.75%	4.25%
Redemption of aggregate principal amount		1,500
Senior Secured Notes Due 2024 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount				2,000
Debt instrument, stated interest				5.00%
Senior Unsecured Notes Due 2014 [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest				5.75%
Debt instrument, repayment amount				500
Senior Secured Notes Due 2020 [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest	7.25%	7.88%
Redemption of aggregate principal amount	1,400	1,250
Senior Secured Notes Due 2025 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount					1,400	1,000
Debt instrument, stated interest					5.25%	5.38%
Senior Unsecured Notes Due 2015 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount						$750
Debt instrument, stated interest						6.38%

Contingencies_and_Legal_Claim_1

Contingencies and Legal Claim Costs - Additional Information (Detail) (USD $)	0 Months Ended			3 Months Ended			0 Months Ended
In Millions, unless otherwise specified	Feb. 09, 2015	Apr. 25, 2014	Oct. 28, 2011	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2012	Jan. 24, 2013	Oct. 31, 2009	Jul. 31, 2012
			Cases	Hospital					Hospital
Loss Contingencies [Line Items]
Number of owned and operated hospitals reviewed				95
Number of claims filed			3
Capital commitments in connection with purchase of hospitals								$450
Additional shortfall related to capital expenditures		78
Legal claim costs					78	175
Period of agreed capital commitments				5 years
Number of year under court-supervisor accounting for expenditures following the purchase				10 years
Dispute settlement amount	15
Health Care Foundation of Greater Kansas City [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Judgment award by the court							162
Plaintiff attorneys fees award				12
Percentage of legal claim costs					9.00%	9.00%
Florida [Member]
Loss Contingencies [Line Items]
Number of owned and operated hospitals reviewed									8
Florida [Member] | Qui Tam Action [Member]
Loss Contingencies [Line Items]
Number of owned and operated hospitals reviewed									2

Capital_Structure_Schedule_of_

Capital Structure - Schedule of Changes in Stockholders' Deficit and Equity (Detail) (USD $)	3 Months Ended
In Millions, except Share data, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Capital Structure [Line Items]
Beginning Balances	($6,498)
Comprehensive income	699	479
Repurchase of common stock	-366
Distributions	-132
Share-based benefit plans	68
Other	7
Ending Balances	-6,222
Repurchase of common stock, Shares	-5,205,394
Common Stock [Member]
Capital Structure [Line Items]
Beginning Balances	4
Ending Balances	4
Beginning Balances, Shares	420,478
Repurchase of common stock, Shares	-5,205
Share-based benefit plans, Shares	3,906
Ending Balances, Shares	419,179
Capital in Excess of Par Value [Member]
Capital Structure [Line Items]
Repurchase of common stock	-70
Share-based benefit plans	68
Other	2
Accumulated Other Comprehensive Loss [Member]
Capital Structure [Line Items]
Beginning Balances	-323
Comprehensive income	-21
Ending Balances	-344
Retained Deficit [Member]
Capital Structure [Line Items]
Beginning Balances	-7,575
Comprehensive income	591
Repurchase of common stock	-296
Ending Balances	-7,280
Equity Attributable to Noncontrolling Interests [Member]
Capital Structure [Line Items]
Beginning Balances	1,396
Comprehensive income	129
Distributions	-132
Other	5
Ending Balances	$1,398

Capital_Structure_Additional_I

Capital Structure - Additional Information (Detail) (USD $)	3 Months Ended	0 Months Ended
	Mar. 31, 2015	Apr. 18, 2015
Capital Structure [Line Items]
Repurchase of common stock	5,205,394
Repurchase of common stock	$366,000,000
Repurchase of common stock, per share	$70.24
the Bain Entities [Member] | Subsequent Event [Member]
Capital Structure [Line Items]
Repurchase of common stock,shares		3,806,460
Repurchase price of common stock, per share		$77.26
Percentage of discount on share repurchase		1.00%
Share repurchase Program authorized amount		$1,000,000,000

Capital_Structure_Components_o

Capital Structure - Components of Accumulated Other Comprehensive Loss (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015
Equity [Abstract]
Unrealized gains on available-for-sale securities, beginning balances	$13
Unrealized gains on available-for-sale securities, net of income taxes	1
Unrealized gains on available-for-sale securities, ending balances	14
Foreign currency translation adjustments, beginning balances	-36
Foreign currency translation adjustments	-31
Foreign currency translation adjustments, ending balances	-67
Defined benefit plans, beginning balances	-174
Defined benefit plans, (income) expense reclassified into operations from other comprehensive income	4
Defined benefit plans, ending balances	-170
Change in fair value of derivative instruments, beginning balances	-126
Change in fair value of derivative instruments	-15
Change in fair value of derivatives instruments, (income) expense reclassified into operations from other comprehensive income	20
Change in fair value of derivative instruments, ending balances	-121
Accumulated other comprehensive income, net of tax, beginning balances	-323
Unrealized gains on available-for-sale securities, net of income taxes	1
Foreign currency translation adjustments	-31
Change in fair value of derivative instruments	-15
Expense reclassified into operations from other comprehensive income, Total	24
Accumulated other comprehensive income (loss), net of tax, ending balances	($344)

Capital_Structure_Components_o1

Capital Structure - Components of Accumulated Other Comprehensive Loss (Parenthetical) (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015
Equity [Abstract]
Foreign currency translation adjustments, income tax benefit	$20
Defined benefit plans, income tax benefit	2
Change in fair value of derivative instruments, Expense reclassified into operations from other comprehensive income, income tax benefit	11
Change in fair value of derivative instruments, income tax benefit	$8

Segment_and_Geographic_Informa2

Segment and Geographic Information - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2015
	Hospital
Segment Reporting Information [Line Items]
Number of geographically organized groups	2
Number of owned and operated hospitals	168
Reorganization Group [Member] | National Group [Member]
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	82
Reorganization Group [Member] | American Group [Member]
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	79
Reorganization Group [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Number of owned and operated hospitals	7

Segment_and_Geographic_Informa3

Segment and Geographic Information - Schedule of Geographic Distributions of Revenues, Equity in Earnings of Affiliates, Adjusted Segment EBITDA, Depreciation and Amortization and Assets (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenues	$9,676	$8,832
Equity in earnings of affiliates	-19	-9
Adjusted segment EBITDA	1,961	1,644
Depreciation and amortization	473	447
Interest expense	419	460
Gains on sales of facilities	-9	-21
Legal claim costs		78	175
Income before income taxes	1,078	680
National Group [Member]
Segment Reporting Information [Line Items]
Revenues	4,650	4,162
Equity in earnings of affiliates	-3	-3
Adjusted segment EBITDA	1,079	857
Depreciation and amortization	189	187
American Group [Member]
Segment Reporting Information [Line Items]
Revenues	4,501	4,152
Equity in earnings of affiliates	-8	-7
Adjusted segment EBITDA	948	850
Depreciation and amortization	221	205
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenues	525	518
Equity in earnings of affiliates	-8	1
Adjusted segment EBITDA	-66	-63
Depreciation and amortization	$63	$55

Supplemental_Condensed_Consoli2

Supplemental Condensed Consolidating Financial Information - Additional Information (Detail) (USD $)	Nov. 22, 2010	Dec. 06, 2012	Nov. 23, 2010
In Millions, unless otherwise specified
Supplemental Condensed Consolidating Financial Information [Line Items]
Ownership percentage held by parent	100.00%
Senior Unsecured Notes Due 2021 [Member]
Supplemental Condensed Consolidating Financial Information [Line Items]
Debt instrument, principal amount		$1,000	$1,525
Debt instrument, stated interest		6.25%	7.75%

Supplemental_Condensed_Consoli3

Supplemental Condensed Consolidating Financial Information - Schedule of Condensed Consolidating Comprehensive Income Statement (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2012
Supplemental Condensed Consolidating Financial Information [Line Items]
Revenues before provision for doubtful accounts	$10,322	$9,683
Provision for doubtful accounts	646	851
Revenues	9,676	8,832
Salaries and benefits	4,398	4,050
Supplies	1,638	1,532
Other operating expenses	1,717	1,645
Electronic health record incentive income	-19	-30
Equity in earnings of affiliates	-19	-9
Depreciation and amortization	473	447
Interest expense	419	460
Gains on sales of facilities	-9	-21
Legal claim costs		78	175
Total expenses including equity in earnings of affiliates	8,598	8,152
Income (loss) before income taxes	1,078	680
Provision (benefit) for income taxes	358	226
Net income (loss)	720	454
Net income attributable to noncontrolling interests	129	107
Net income (loss) attributable to HCA Holdings, Inc.	591	347
Comprehensive income (loss) attributable to HCA Holdings, Inc.	570	372
HCA Holdings, Inc. Issuer [Member]
Supplemental Condensed Consolidating Financial Information [Line Items]
Other operating expenses	6	5
Equity in earnings of affiliates	-602	-403
Interest expense	46	46
Total expenses including equity in earnings of affiliates	-550	-352
Income (loss) before income taxes	550	352
Provision (benefit) for income taxes	-20	-20
Net income (loss)	570	372
Net income (loss) attributable to HCA Holdings, Inc.	570	372
Comprehensive income (loss) attributable to HCA Holdings, Inc.	570	372
HCA Inc. Issuer [Member]
Supplemental Condensed Consolidating Financial Information [Line Items]
Interest expense	595	557
Legal claim costs		78
Total expenses including equity in earnings of affiliates	595	635
Income (loss) before income taxes	-595	-635
Provision (benefit) for income taxes	-224	-247
Net income (loss)	-371	-388
Net income (loss) attributable to HCA Holdings, Inc.	-371	-388
Comprehensive income (loss) attributable to HCA Holdings, Inc.	-366	-374
Subsidiary Guarantors [Member]
Supplemental Condensed Consolidating Financial Information [Line Items]
Revenues before provision for doubtful accounts	5,201	5,030
Provision for doubtful accounts	296	537
Revenues	4,905	4,493
Salaries and benefits	2,217	2,099
Supplies	854	814
Other operating expenses	820	773
Electronic health record incentive income	-13	-22
Equity in earnings of affiliates	-1	-1
Depreciation and amortization	230	218
Interest expense	-174	-122
Gains on sales of facilities	-9	-21
Management fees	-178	-174
Total expenses including equity in earnings of affiliates	3,746	3,564
Income (loss) before income taxes	1,159	929
Provision (benefit) for income taxes	428	352
Net income (loss)	731	577
Net income attributable to noncontrolling interests	23	29
Net income (loss) attributable to HCA Holdings, Inc.	708	548
Comprehensive income (loss) attributable to HCA Holdings, Inc.	712	550
Subsidiary Non-Guarantors [Member]
Supplemental Condensed Consolidating Financial Information [Line Items]
Revenues before provision for doubtful accounts	5,121	4,653
Provision for doubtful accounts	350	314
Revenues	4,771	4,339
Salaries and benefits	2,181	1,951
Supplies	784	718
Other operating expenses	891	867
Electronic health record incentive income	-6	-8
Equity in earnings of affiliates	-18	-8
Depreciation and amortization	243	229
Interest expense	-48	-21
Management fees	178	174
Total expenses including equity in earnings of affiliates	4,205	3,902
Income (loss) before income taxes	566	437
Provision (benefit) for income taxes	174	141
Net income (loss)	392	296
Net income attributable to noncontrolling interests	106	78
Net income (loss) attributable to HCA Holdings, Inc.	286	218
Comprehensive income (loss) attributable to HCA Holdings, Inc.	256	227
Eliminations [Member]
Supplemental Condensed Consolidating Financial Information [Line Items]
Equity in earnings of affiliates	602	403
Total expenses including equity in earnings of affiliates	602	403
Income (loss) before income taxes	-602	-403
Net income (loss)	-602	-403
Net income (loss) attributable to HCA Holdings, Inc.	-602	-403
Comprehensive income (loss) attributable to HCA Holdings, Inc.	($602)	($403)

Supplemental_Condensed_Consoli4

Supplemental Condensed Consolidating Financial Information - Schedule of Condensed Consolidating Balance Sheet (Detail) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
In Millions, unless otherwise specified
Current assets:
Cash and cash equivalents	$586	$566	$850	$414
Accounts receivable, net	5,928	5,694
Inventories	1,287	1,279
Deferred income taxes	304	366
Other	1,025	1,025
Total current assets	9,130	8,930
Property and equipment, net	14,392	14,355
Investments of insurance subsidiaries	435	494
Investments in and advances to affiliates	181	165
Goodwill and other intangible assets	6,415	6,416
Other	735	620
Total assets	31,288	30,980
Current liabilities:
Accounts payable	1,973	2,035
Accrued salaries	1,180	1,370
Other accrued expenses	1,982	1,737
Long-term debt due within one year	2,037	338
Total current liabilities	7,172	5,480
Long-term debt, net	27,406	29,088
Professional liability risks	1,095	1,078
Income taxes and other liabilities	1,837	1,832
Total liabilities	37,510	37,478
Stockholders' (deficit) equity attributable to HCA Holdings, Inc.	-7,620	-7,894
Noncontrolling interests	1,398	1,396
Total stockholders' deficit	-6,222	-6,498
Total liabilities and stockholders' deficit	31,288	30,980
HCA Holdings, Inc. Issuer [Member]
Current assets:
Deferred income taxes	304	366
Other		118
Total current assets	304	484
Investments in and advances to affiliates	22,895	22,293
Other	531	435
Total assets	23,730	23,212
Current liabilities:
Accounts payable	4	1
Other accrued expenses	399	45
Total current liabilities	403	46
Long-term debt, net	2,500	2,499
Intercompany balances	27,903	28,008
Income taxes and other liabilities	544	553
Total liabilities	31,350	31,106
Stockholders' (deficit) equity attributable to HCA Holdings, Inc.	-7,620	-7,894
Total stockholders' deficit	-7,620	-7,894
Total liabilities and stockholders' deficit	23,730	23,212
HCA Inc. Issuer [Member]
Current liabilities:
Other accrued expenses	233	317
Long-term debt due within one year	1,931	231
Total current liabilities	2,164	548
Long-term debt, net	24,391	26,124
Intercompany balances	-9,776	-10,261
Income taxes and other liabilities	485	487
Total liabilities	17,264	16,898
Stockholders' (deficit) equity attributable to HCA Holdings, Inc.	-17,264	-16,898
Total stockholders' deficit	-17,264	-16,898
Subsidiary Guarantors [Member]
Current assets:
Cash and cash equivalents	111	87	482	112
Accounts receivable, net	2,923	2,812
Inventories	762	756
Other	375	376
Total current assets	4,171	4,031
Property and equipment, net	7,882	7,871
Investments in and advances to affiliates	16	16
Goodwill and other intangible assets	1,704	1,705
Other	21	27
Total assets	13,794	13,650
Current liabilities:
Accounts payable	1,224	1,272
Accrued salaries	669	783
Other accrued expenses	494	517
Long-term debt due within one year	57	56
Total current liabilities	2,444	2,628
Long-term debt, net	222	185
Intercompany balances	-21,842	-21,582
Income taxes and other liabilities	453	605
Total liabilities	-18,723	-18,164
Stockholders' (deficit) equity attributable to HCA Holdings, Inc.	32,405	31,693
Noncontrolling interests	112	121
Total stockholders' deficit	32,517	31,814
Total liabilities and stockholders' deficit	13,794	13,650
Subsidiary Non-Guarantors [Member]
Current assets:
Cash and cash equivalents	475	479	368	302
Accounts receivable, net	3,005	2,882
Inventories	525	523
Other	650	531
Total current assets	4,655	4,415
Property and equipment, net	6,510	6,484
Investments of insurance subsidiaries	435	494
Investments in and advances to affiliates	165	149
Goodwill and other intangible assets	4,711	4,711
Other	183	158
Total assets	16,659	16,411
Current liabilities:
Accounts payable	745	762
Accrued salaries	511	587
Other accrued expenses	856	858
Long-term debt due within one year	49	51
Total current liabilities	2,161	2,258
Long-term debt, net	293	280
Intercompany balances	3,715	3,835
Professional liability risks	1,095	1,078
Income taxes and other liabilities	355	187
Total liabilities	7,619	7,638
Stockholders' (deficit) equity attributable to HCA Holdings, Inc.	7,754	7,498
Noncontrolling interests	1,286	1,275
Total stockholders' deficit	9,040	8,773
Total liabilities and stockholders' deficit	16,659	16,411
Eliminations [Member]
Current assets:
Investments in and advances to affiliates	-22,895	-22,293
Total assets	-22,895	-22,293
Current liabilities:
Stockholders' (deficit) equity attributable to HCA Holdings, Inc.	-22,895	-22,293
Total stockholders' deficit	-22,895	-22,293
Total liabilities and stockholders' deficit	($22,895)	($22,293)

Supplemental_Condensed_Consoli5

Supplemental Condensed Consolidating Financial Information - Schedule of Condensed Consolidating Statement of Cash Flows (Detail) (USD $)	3 Months Ended
In Millions, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2012
Cash flows from operating activities:
Net income (loss)	$720	$454
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Changes in operating assets and liabilities	-1,313	-1,561
Provision for doubtful accounts	646	851
Depreciation and amortization	473	447
Income taxes	438	144
Gains on sales of facilities	-9	-21
Legal claim costs		78	175
Amortization of debt issuance costs	10	14
Share-based compensation	48	37
Equity in earnings of affiliates	-19	-9
Other	5
Net cash provided by operating activities	1,018	443
Cash flows from investing activities:
Purchase of property and equipment	-446	-400
Acquisition of hospitals and health care entities	-28	-19
Disposition of hospitals and health care entities	15	23
Change in investments	22	-13
Other	5
Net cash used in investing activities	-432	-409
Cash flows from financing activities:
Issuance of long-term debt	1,000	3,502
Net change in revolving bank credit facilities	-260	-2,440
Repayment of long-term debt	-791	-542
Distributions to noncontrolling interests	-132	-87
Payment of debt issuance costs	-11	-48
Repurchases of common stock	-366
Distributions to stockholders	-6	-7
Income tax benefits	38	50
Other	-38	-26
Net cash (used in) provided by financing activities	-566	402
Change in cash and cash equivalents	20	436
Cash and cash equivalents at beginning of period	566	414
Cash and cash equivalents at end of period	586	850
Eliminations [Member]
Cash flows from operating activities:
Net income (loss)	-602	-403
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Equity in earnings of affiliates	602	403
HCA Holdings, Inc. Issuer [Member]
Cash flows from operating activities:
Net income (loss)	570	372
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Changes in operating assets and liabilities	17	20
Income taxes	438	144
Amortization of debt issuance costs	1	1
Share-based compensation	48	37
Equity in earnings of affiliates	-602	-403
Other	16
Net cash provided by operating activities	488	171
Cash flows from financing activities:
Repurchases of common stock	-366
Distributions to stockholders	-6	-7
Changes in intercompany balances with affiliates, net	-116	-195
Income tax benefits	38	50
Other	-38	-19
Net cash (used in) provided by financing activities	-488	-171
HCA Inc. Issuer [Member]
Cash flows from operating activities:
Net income (loss)	-371	-388
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Changes in operating assets and liabilities	-79	-95
Legal claim costs		78
Amortization of debt issuance costs	9	13
Other		2
Net cash provided by operating activities	-441	-390
Cash flows from financing activities:
Issuance of long-term debt	1,000	3,502
Net change in revolving bank credit facilities	-260	-2,440
Repayment of long-term debt	-771	-522
Payment of debt issuance costs	-11	-48
Changes in intercompany balances with affiliates, net	483	-102
Net cash (used in) provided by financing activities	441	390
Subsidiary Guarantors [Member]
Cash flows from operating activities:
Net income (loss)	731	577
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Changes in operating assets and liabilities	-739	-934
Provision for doubtful accounts	296	537
Depreciation and amortization	230	218
Gains on sales of facilities	-9	-21
Equity in earnings of affiliates	-1	-1
Net cash provided by operating activities	509	377
Cash flows from investing activities:
Purchase of property and equipment	-182	-217
Acquisition of hospitals and health care entities	-10
Disposition of hospitals and health care entities	14	19
Change in investments	6	-3
Net cash used in investing activities	-172	-201
Cash flows from financing activities:
Repayment of long-term debt	-12	-12
Distributions to noncontrolling interests	-32	-17
Changes in intercompany balances with affiliates, net	-269	223
Net cash (used in) provided by financing activities	-313	194
Change in cash and cash equivalents	24	370
Cash and cash equivalents at beginning of period	87	112
Cash and cash equivalents at end of period	111	482
Subsidiary Non-Guarantors [Member]
Cash flows from operating activities:
Net income (loss)	392	296
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Changes in operating assets and liabilities	-512	-552
Provision for doubtful accounts	350	314
Depreciation and amortization	243	229
Equity in earnings of affiliates	-18	-8
Other	-11	-2
Net cash provided by operating activities	462	285
Cash flows from investing activities:
Purchase of property and equipment	-264	-183
Acquisition of hospitals and health care entities	-18	-19
Disposition of hospitals and health care entities	1	4
Change in investments	16	-10
Other	5
Net cash used in investing activities	-260	-208
Cash flows from financing activities:
Repayment of long-term debt	-8	-8
Distributions to noncontrolling interests	-100	-70
Changes in intercompany balances with affiliates, net	-98	74
Other		-7
Net cash (used in) provided by financing activities	-206	-11
Change in cash and cash equivalents	-4	66
Cash and cash equivalents at beginning of period	479	302
Cash and cash equivalents at end of period	$475	$368