Magellan Midstream Partners (MMP) 10-Q 2 Nov 21 2021 Q3 Quarterly report Financial data

Cover Page

Cover Page - shares	9 Months Ended
	Sep. 30, 2021	Nov. 01, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2021
Document Transition Report	false
Entity File Number	1-16335
Entity Registrant Name	Magellan Midstream Partners, L.P.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	73-1599053
Entity Address, Address Line One	One Williams Center
Entity Address, Address Line Two	P.O. Box 22186
Entity Address, City or Town	Tulsa
Entity Address, State or Province	OK
Entity Address, Postal Zip Code	74121-2186
City Area Code	918
Local Phone Number	574-7000
Title of 12(b) Security	Common Units
Trading Symbol	MMP
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		213,445,238
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Entity Central Index Key	0001126975
Current Fiscal Year End Date	--12-31

Consolidated Statements Of Inco

Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues	$ 639,054	$ 576,448	$ 1,923,771	$ 1,764,239
Costs and expenses:
Operating	146,556	157,716	422,907	446,102
Cost of product sales	145,855	89,375	488,614	364,916
Depreciation, amortization and impairment	61,401	68,439	168,304	183,226
General and administrative	46,632	37,497	148,671	115,480
Total costs and expenses	400,444	353,027	1,228,496	1,109,724
Other operating income (expense)	2,591	(2,863)	4,033	539
Earnings of non-controlled entities	36,466	39,135	116,107	116,484
Operating profit	277,667	259,693	815,415	771,538
Interest expense	57,016	54,212	170,976	179,371
Interest capitalized	(315)	(1,272)	(1,240)	(10,451)
Interest income	(138)	(260)	(439)	(903)
Gain on disposition of assets	(3,231)	0	(72,933)	(12,887)
Other (income) expense	2,224	1,455	18,111	3,708
Income from continuing operations before provision for income taxes	222,111	205,558	700,940	612,700
Provision for income taxes	821	824	2,044	2,169
Income from continuing operations	221,290	204,734	698,896	610,531
Income from discontinued operations	15,309	6,904	39,438	22,514
Net income	$ 236,599	$ 211,638	$ 738,334	$ 633,045
Basic and diluted income from continuing operations per common unit (in dollars per share)	$ 1.01	$ 0.91	$ 3.15	$ 2.70
Basic and diluted income from discontinued operations per common unit (in dollars per share)	0.07	0.03	0.18	0.10
Basic and diluted net income per common unit (in dollars per share)	$ 1.08	$ 0.94	$ 3.33	$ 2.80
Weighted average number of common units outstanding used for basic net income per unit calculation (in shares)	218,637	225,222	221,637	226,045
Weighted average number of common units outstanding used for diluted net income per unit calculation (in shares)	218,788	225,222	221,730	226,045
Transportation and terminals revenue
Revenues	$ 464,910	$ 459,940	$ 1,332,271	$ 1,305,217
Product sales revenue
Revenues	168,815	111,220	575,575	443,127
Affiliate management fee revenue
Revenues	$ 5,329	$ 5,288	$ 15,925	$ 15,895

Consolidated Statements Of Comp

Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 236,599	$ 211,638	$ 738,334	$ 633,045
Other comprehensive income (loss):
Net loss on cash flow hedges	0	0	0	(10,444)
Reclassification of net loss on cash flow hedges to income	887	896	2,662	2,552
Net actuarial gain (loss)	0	0	10,801	(333)
Curtailment gain	0	0	0	1,703
Recognition of prior service credit amortization in income	(46)	(46)	(136)	(136)
Recognition of actuarial loss amortization in income	1,433	1,473	4,536	4,462
Recognition of settlement cost in income	1,300	0	2,751	969
Total other comprehensive income (loss)	3,574	2,323	20,614	(1,227)
Comprehensive income	$ 240,173	$ 213,961	$ 758,948	$ 631,818

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 12,593	$ 13,036
Trade accounts receivable	134,281	103,568
Other accounts receivable	33,735	37,075
Inventory	222,567	158,204
Commodity derivatives contracts, net	4,469	0
Commodity derivatives deposits	47,609	34,165
Assets held for sale	299,304	15,059
Other current assets	44,738	44,086
Total current assets	799,296	405,193
Property, plant and equipment	8,021,353	7,943,760
Less: accumulated depreciation	2,088,990	1,956,926
Net property, plant and equipment	5,932,363	5,986,834
Investments in non-controlled entities	993,290	1,213,856
Right-of-use asset, operating leases	180,470	166,078
Long-term receivables	22,768	22,755
Goodwill	50,121	50,121
Other intangibles (less accumulated amortization of $9,228 and $11,186 at December 31, 2020 and September 30, 2021, respectively)	42,967	44,925
Restricted cash	7,847	9,411
Noncurrent assets held for sale	0	277,566
Other noncurrent assets	17,543	20,243
Total assets	8,046,665	8,196,982
Current liabilities:
Accounts payable	129,088	97,988
Accrued payroll and benefits	63,321	52,055
Accrued interest payable	49,992	58,998
Accrued taxes other than income	68,740	67,710
Deferred revenue	101,800	98,635
Accrued product liabilities	117,126	75,180
Commodity derivatives contracts, net	22,350	21,621
Current portion of operating lease liability	25,618	27,533
Liabilities held for sale	15,516	8,423
Other current liabilities	63,741	50,431
Total current liabilities	657,292	558,574
Long-term debt, net	5,103,226	4,978,691
Long-term operating lease liability	151,650	137,483
Long-term pension and benefits	151,922	163,776
Long-term liabilities held for sale	0	1,508
Other noncurrent liabilities	68,622	53,144
Commitments and contingencies
Partners’ capital:
Common unitholders (223,120 units and 213,445 units outstanding at December 31, 2020 and September 30, 2021, respectively)	2,076,529	2,486,996
Accumulated other comprehensive loss	(162,576)	(183,190)
Total partners’ capital	1,913,953	2,303,806
Total liabilities and partners’ capital	$ 8,046,665	$ 8,196,982

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Finite-lived intangible assets, accumulated amortization	$ 11,186	$ 9,228
Limited partner unitholders, units outstanding (in shares)	213,445,238	223,119,811

Consolidated Statements Of Cash

Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating Activities:
Net income	$ 738,334	$ 633,045
Adjustments to reconcile net income to net cash provided by operating activities:
Income from discontinued operations	(39,438)	(22,514)
Depreciation, amortization and impairment expense	168,304	183,226
Gain on disposition of assets	(72,933)	(13,330)
Earnings of non-controlled entities	(116,107)	(116,484)
Distributions from operations of non-controlled entities	140,616	152,645
Equity-based incentive compensation expense	15,686	5,580
Settlement cost, amortization of prior service credit and actuarial loss	7,151	3,953
Debt extinguishment costs	0	12,893
Changes in operating assets and liabilities:
Trade accounts receivable and other accounts receivable	(24,245)	8,954
Inventory	(64,363)	49,802
Accounts payable	23,405	9,056
Accrued payroll and benefits	11,266	(34,239)
Accrued interest payable	(9,006)	(14,775)
Accrued product liabilities	41,946	(8,352)
Deferred revenue	3,165	(17,342)
Other current and noncurrent assets and liabilities	17,206	(23,523)
Net cash provided by operating activities of continuing operations	840,987	808,595
Net cash provided by operating activities of discontinued operations	38,090	31,510
Net cash provided by operating activities	879,077	840,105
Investing Activities:
Additions to property, plant and equipment, net	(106,458)	(357,093)
Proceeds from sale and disposition of assets	271,964	334,583
Investments in non-controlled entities	(5,616)	(73,678)
Net cash provided (used) by investing activities of continuing operations	159,890	(96,188)
Net cash provided (used) by investing activities of discontinued operations	254	(14,077)
Net cash provided (used) by investing activities	160,144	(110,265)
Financing Activities:
Distributions paid	(685,018)	(697,264)
Repurchases of common units	(473,059)	(251,950)
Net commercial paper borrowings	123,000	248,000
Borrowings under long-term notes	0	499,400
Payments on notes	0	(550,000)
Payments of Debt Issuance Costs	0	(4,255)
Payments for (Proceeds from) Hedge, Financing Activities	0	(10,444)
Payments associated with settlement of equity-based incentive compensation	(6,151)	(14,700)
Payment for Debt Extinguishment or Debt Prepayment Cost	0	(12,893)
Net cash used by financing activities	(1,041,228)	(794,106)
Change in cash, cash equivalents and restricted cash	(2,007)	(64,266)
Cash, cash equivalents and restricted cash at beginning of period	22,447	84,599
Cash, cash equivalents and restricted cash at end of period	20,440	20,333
Supplemental non-cash investing activities:
Additions to property, plant and equipment	(110,505)	(304,321)
Changes in accounts payable and other current liabilities related to capital expenditures	4,047	(52,772)
Additions to property, plant and equipment, net	$ (106,458)	$ (357,093)

Consolidated Statement of Partn

Consolidated Statement of Partners' Capital Statement - USD ($) $ in Thousands	Total	Common Unitholders	Accumulated Other Comprehensive Loss
Beginning balance at Dec. 31, 2019	$ 2,715,028	$ 2,877,105	$ (162,077)
Comprehensive income:
Net income	633,045	633,045
Total other comprehensive income (loss)	(1,227)		(1,227)
Comprehensive income	631,818	633,045	(1,227)
Distributions	(697,264)	(697,264)
Equity-based incentive compensation expense	5,580	5,580
Repurchases of common units	(251,950)	(251,950)
Issuance of common units in settlement of equity-based incentive plan awards	600	600
Payments associated with settlement of equity-based incentive compensation	(14,700)	(14,700)
Other	(668)	(668)
Ending balance at Sep. 30, 2020	2,388,444	2,551,748	(163,304)
Beginning balance at Jun. 30, 2020	2,454,738	2,620,365	(165,627)
Comprehensive income:
Net income	211,638	211,638
Total other comprehensive income (loss)	2,323		2,323
Comprehensive income	213,961	211,638	2,323
Distributions	(231,245)	(231,245)
Equity-based incentive compensation expense	1,169	1,169
Repurchases of common units	(49,968)	(49,968)
Other	(211)	(211)
Ending balance at Sep. 30, 2020	2,388,444	2,551,748	(163,304)
Beginning balance at Dec. 31, 2020	2,303,806	2,486,996	(183,190)
Comprehensive income:
Net income	738,334	738,334
Total other comprehensive income (loss)	20,614		20,614
Comprehensive income	758,948	738,334	20,614
Distributions	(685,018)	(685,018)
Equity-based incentive compensation expense	15,686	15,686
Repurchases of common units	(473,059)	(473,059)
Issuance of common units in settlement of equity-based incentive plan awards	520	520
Payments associated with settlement of equity-based incentive compensation	(6,151)	(6,151)
Other	(779)	(779)
Ending balance at Sep. 30, 2021	1,913,953	2,076,529	(162,576)
Beginning balance at Jun. 30, 2021	2,285,789	2,451,939	(166,150)
Comprehensive income:
Net income	236,599	236,599
Total other comprehensive income (loss)	3,574		3,574
Comprehensive income	240,173	236,599	3,574
Distributions	(226,633)	(226,633)
Equity-based incentive compensation expense	5,626	5,626
Repurchases of common units	(390,735)	(390,735)
Other	(267)	(267)
Ending balance at Sep. 30, 2021	$ 1,913,953	$ 2,076,529	$ (162,576)

Organization, Description of Bu

Organization, Description of Business And Basis Of Presentation	9 Months Ended
	Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Description of Business and Basis of Presentation	Organization, Description of Business and Basis of Presentation Organization Unless indicated otherwise, the terms “our,” “we,” “us” and similar language refer to Magellan Midstream Partners, L.P. together with its subsidiaries. Magellan Midstream Partners, L.P. is a Delaware limited partnership, and its common units are traded on the New York Stock Exchange under the ticker symbol “MMP.” Magellan GP, LLC, a wholly-owned Delaware limited liability company, serves as its general partner. Description of Business We are principally engaged in the transportation, storage and distribution of refined petroleum products and crude oil. As of September 30, 2021, our asset portfolio, excluding assets associated with discontinued operations, consisted of: • our refined products segment, comprised of our approximately 9,800-mile refined petroleum products pipeline system with 54 connected terminals and two marine storage terminals (one of which is owned through a joint venture); and • our crude oil segment, comprised of approximately 2,200 miles of crude oil pipelines, a condensate splitter and 37 million barrels of aggregate storage capacity, of which approximately 27 million barrels are used for contract storage. Approximately 1,000 miles of these pipelines, the condensate splitter and 30 million barrels of this storage capacity (including 24 million barrels used for contract storage) are wholly-owned, with the remainder owned through joint ventures. The following terms are commonly used in our industry to describe products that we transport, store, distribute or otherwise handle through our petroleum pipelines and terminals: • refined products are the output from crude oil refineries that are primarily used as fuels by consumers. Refined products include gasoline, diesel fuel, aviation fuel, kerosene and heating oil. Diesel fuel, kerosene and heating oil are also referred to as distillates; • transmix is a mixture that forms when different refined products are transported in pipelines. Transmix is fractionated and blended into usable refined products; • liquefied petroleum gases, or LPGs, are liquids produced as by-products of the crude oil refining process and in connection with natural gas production. LPGs include butane and propane; • blendstocks are products blended with refined products to change or enhance their characteristics such as increasing a gasoline’s octane or oxygen content. Blendstocks include alkylates, oxygenates and natural gasoline; • crude oil , which includes condensate, is a naturally occurring unrefined petroleum product recovered from underground that is used as feedstock by refineries, splitters and petrochemical facilities; and • renewable fuels , such as ethanol, biodiesel and renewable diesel, are fuels derived from living materials and typically blended with other refined products as required by government mandates. We use the term petroleum products to describe any, or a combination, of the above-noted products. Basis of Presentation In the opinion of management, our accompanying consolidated financial statements which are unaudited, except for the consolidated balance sheet as of December 31, 2020, which is derived from our audited financial statements, include all normal and recurring adjustments necessary to present fairly our financial position as of September 30, 2021, the results of operations for the three and nine months ended September 30, 2020 and 2021 and cash flows for the nine months ended September 30, 2020 and 2021. The results of operations for the nine months ended September 30, 2021 are not necessarily indicative of the results to be expected for the full year ending December 31, 2021 for several reasons. Profits from our gas liquids blending activities are realized largely during the first and fourth quarters of each year. Additionally, gasoline demand, which drives transportation volumes and revenues on our refined products pipeline system, generally trends higher during the summer driving months. Further, the volatility of commodity prices impacts the profits from our commodity activities and the volume of petroleum products we transport on our pipelines. Pursuant to the rules and regulations of the Securities and Exchange Commission, the financial statements in this report have been prepared in accordance with generally accepted accounting principles (“GAAP”) in the U.S. for interim financial information. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. These financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2020. Discontinued Operations In June 2021, we entered into an agreement to sell our independent terminals network comprised of 26 refined petroleum products terminals with approximately six million barrels of storage located primarily in the southeastern United States. The sale is expected to close upon the receipt of required regulatory approvals. The related results of operations, financial position and cash flows have been classified as discontinued operations for all periods presented. See Note 2 - Discontinued Operations and Assets Held for Sale for further details. Unless indicated otherwise, the information in the Notes to Consolidated Financial Statements relates to continuing operations. Reclassifications Certain prior period amounts have been reclassified to conform with the current period’s presentation, including amounts related to our discontinued operations. Use of Estimates The preparation of our consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities that exist at the date of our consolidated financial statements, as well as their impact on the reported amounts of revenue and expense during the reporting periods. Actual results could differ from those estimates. New Accounting Pronouncements We evaluate Accounting Standards Updates issued by the Financial Accounting Standards Board on an ongoing basis. There are no new accounting pronouncements that we anticipate will have a material impact on our financial statements.

Discontinued Operations and Ass

Discontinued Operations and Assets Held for Sale	9 Months Ended
	Sep. 30, 2021
Discontinued Operations and Disposal Groups [Abstract]
Disposal Groups, Including Discontinued Operations, Disclosure	Discontinued Operations and Assets Held for Sale On June 10, 2021, we announced an agreement to sell our independent terminals network comprised of 26 refined petroleum products terminals with approximately six million barrels of storage located primarily in the southeastern U.S. to Buckeye Partners, L.P. (“Buckeye”) for $435 million. The sale is expected to close upon the receipt of required regulatory approvals. The related results of operations, which were previously included in our refined products segment, have been classified as discontinued operations. Summarized Results of Discontinued Operations The following table provides the summarized results that have been reclassified from continuing operations to discontinued operations on the consolidated statements of income (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2020 2021 2020 2021 Transportation and terminals revenue $ 13,591 $ 13,119 $ 38,524 $ 39,946 Product sales revenue 8,225 14,550 38,715 59,141 Total revenue 21,816 27,669 77,239 99,087 Costs and expenses: Operating 4,266 2,814 11,495 10,070 Cost of product sales 6,744 8,846 30,948 40,620 Depreciation, amortization and impairment 3,383 57 10,670 7,059 General and administrative 519 643 1,612 1,900 Total costs and expenses 14,912 12,360 54,725 59,649 Income from discontinued operations $ 6,904 $ 15,309 $ 22,514 $ 39,438 Summarized Assets and Liabilities of Discontinued Operations The following table provides the summarized assets and liabilities classified as held for sale on the consolidated balance sheets (in thousands): December 31, 2020 September 30, Assets: Trade accounts receivable $ 5,568 $ 7,013 Inventory 9,185 12,641 Net property, plant and equipment 274,857 269,468 Goodwill 2,709 2,709 Other assets 306 7,473 Total assets classified as held for sale $ 292,625 $ 299,304 Liabilities: Accounts payable $ 2,034 $ 4,087 Accrued product liabilities 3,986 7,123 Other liabilities 3,911 4,306 Total liabilities classified as held for sale $ 9,931 $ 15,516

Segment Disclosures

Segment Disclosures	9 Months Ended
	Sep. 30, 2021
Segment Reporting [Abstract]
Segment Disclosures	Segment Disclosures Our reportable segments are strategic business units that offer different products and services. Our segments are managed separately because each segment requires different marketing strategies and business knowledge. Management evaluates performance based on segment operating margin, which includes revenue from affiliates and third-party customers, operating expense, cost of product sales, other operating (income) expense and earnings of non-controlled entities. We believe that investors benefit from having access to the same financial measures used by management. Operating margin, which is presented in the following tables, is an important measure used by management to evaluate the economic performance of our core operations. Operating margin is not a GAAP measure, but the components of operating margin are computed using amounts that are determined in accordance with GAAP. A reconciliation of operating margin to operating profit, which is the nearest comparable GAAP financial measure, is included in the tables below (presented in thousands). Operating profit includes depreciation, amortization and impairment expense and general and administrative (“G&A”) expense that management does not consider when evaluating the core profitability of our separate operating segments. Three Months Ended September 30, 2020 Refined Products Crude Oil Intersegment Total Transportation and terminals revenue $ 307,218 $ 154,652 $ (1,930) $ 459,940 Product sales revenue 106,027 5,193 — 111,220 Affiliate management fee revenue 1,579 3,709 — 5,288 Total revenue 414,824 163,554 (1,930) 576,448 Operating expense 114,313 46,956 (3,553) 157,716 Cost of product sales 79,612 9,763 — 89,375 Other operating (income) expense (193) 3,056 — 2,863 Earnings of non-controlled entities (7,134) (32,001) — (39,135) Operating margin 228,226 135,780 1,623 365,629 Depreciation, amortization and impairment expense 38,237 28,579 1,623 68,439 G&A expense 26,968 10,529 — 37,497 Operating profit $ 163,021 $ 96,672 $ — $ 259,693 Three Months Ended September 30, 2021 Refined Products Crude Oil Intersegment Total Transportation and terminals revenue $ 349,430 $ 116,920 $ (1,440) $ 464,910 Product sales revenue 153,352 15,463 — 168,815 Affiliate management fee revenue 1,643 3,686 — 5,329 Total revenue 504,425 136,069 (1,440) 639,054 Operating expense 114,612 35,042 (3,098) 146,556 Cost of product sales 128,372 17,483 — 145,855 Other operating (income) expense (2,873) 282 — (2,591) Earnings of non-controlled entities (8,160) (28,306) — (36,466) Operating margin 272,474 111,568 1,658 385,700 Depreciation, amortization and impairment expense 42,552 17,191 1,658 61,401 G&A expense 33,478 13,154 — 46,632 Operating profit $ 196,444 $ 81,223 $ — $ 277,667 Nine Months Ended September 30, 2020 Refined Products Crude Oil Intersegment Total Transportation and terminals revenue $ 876,363 $ 433,947 $ (5,093) $ 1,305,217 Product sales revenue 422,986 20,141 — 443,127 Affiliate management fee revenue 4,676 11,219 — 15,895 Total revenue 1,304,025 465,307 (5,093) 1,764,239 Operating expense 316,371 139,645 (9,914) 446,102 Cost of product sales 334,366 30,550 — 364,916 Other operating (income) expense (2,223) 1,684 — (539) Earnings of non-controlled entities (25,946) (90,538) — (116,484) Operating margin 681,457 383,966 4,821 1,070,244 Depreciation, amortization and impairment expense 118,038 60,367 4,821 183,226 G&A expense 83,190 32,290 — 115,480 Operating profit $ 480,229 $ 291,309 $ — $ 771,538 Nine Months Ended September 30, 2021 Refined Products Crude Oil Intersegment Total Transportation and terminals revenue $ 984,895 $ 351,817 $ (4,441) $ 1,332,271 Product sales revenue 487,551 88,024 — 575,575 Affiliate management fee revenue 4,802 11,123 — 15,925 Total revenue 1,477,248 450,964 (4,441) 1,923,771 Operating expense 314,241 118,072 (9,406) 422,907 Cost of product sales 394,316 94,298 — 488,614 Other operating (income) expense (6,279) 2,246 — (4,033) Earnings of non-controlled entities (25,528) (90,579) — (116,107) Operating margin 800,498 326,927 4,965 1,132,390 Depreciation, amortization and impairment expense 112,754 50,585 4,965 168,304 G&A expense 106,749 41,922 — 148,671 Operating profit $ 580,995 $ 234,420 $ — $ 815,415

Revenue

Revenue	9 Months Ended
	Sep. 30, 2021
Revenue from Contract with Customer [Abstract]
Revenue	Revenue Statement of Income Disclosures The following tables provide details of our revenue disaggregated by key activities that comprise our performance obligations by operating segment (in thousands): Three Months Ended September 30, 2020 Refined Products Crude Oil Intersegment Eliminations Total Transportation $ 192,194 $ 90,156 $ — $ 282,350 Terminalling 30,650 5,651 — 36,301 Storage 49,104 32,876 (1,930) 80,050 Ancillary services 29,955 6,828 — 36,783 Lease revenue 5,315 19,141 — 24,456 Transportation and terminals revenue 307,218 154,652 (1,930) 459,940 Product sales revenue 106,027 5,193 — 111,220 Affiliate management fee revenue 1,579 3,709 — 5,288 Total revenue 414,824 163,554 (1,930) 576,448 Revenue not under the guidance of ASC 606, Revenue from Contracts with Customers: Lease revenue (1) (5,315) (19,141) — (24,456) (Gains) losses from futures contracts included in product sales revenue (2) 6,560 884 — 7,444 Affiliate management fee revenue (1,579) (3,709) — (5,288) Total revenue from contracts with customers under ASC 606 $ 414,490 $ 141,588 $ (1,930) $ 554,148 (1) Lease revenue is accounted for under Accounting Standards Codification (“ASC”) 842, Leases . (2) The impact on product sales revenue from futures contracts falls under the guidance of ASC 815, Derivatives and Hedging . Three Months Ended September 30, 2021 Refined Products Crude Oil Intersegment Eliminations Total Transportation $ 241,685 $ 58,172 $ — $ 299,857 Terminalling 26,468 3,280 — 29,748 Storage 42,316 28,199 (1,440) 69,075 Ancillary services 34,157 7,667 — 41,824 Lease revenue 4,804 19,602 — 24,406 Transportation and terminals revenue 349,430 116,920 (1,440) 464,910 Product sales revenue 153,352 15,463 — 168,815 Affiliate management fee revenue 1,643 3,686 — 5,329 Total revenue 504,425 136,069 (1,440) 639,054 Revenue not under the guidance of ASC 606, Revenue from Contracts with Customers: Lease revenue (1) (4,804) (19,602) — (24,406) (Gains) losses from futures contracts included in product sales revenue (2) 26,992 2,634 — 29,626 Affiliate management fee revenue (1,643) (3,686) — (5,329) Total revenue from contracts with customers under ASC 606 $ 524,970 $ 115,415 $ (1,440) $ 638,945 (1) Lease revenue is accounted for under ASC 842, Leases . (2) The impact on product sales revenue from futures contracts falls under the guidance of ASC 815, Derivatives and Hedging . Nine Months Ended September 30, 2020 Refined Products Crude Oil Intersegment Eliminations Total Transportation $ 533,451 $ 244,155 $ — $ 777,606 Terminalling 88,038 14,702 — 102,740 Storage 152,186 97,103 (5,093) 244,196 Ancillary services 85,441 20,745 — 106,186 Lease revenue 17,247 57,242 — 74,489 Transportation and terminals revenue 876,363 433,947 (5,093) 1,305,217 Product sales revenue 422,986 20,141 — 443,127 Affiliate management fee revenue 4,676 11,219 — 15,895 Total revenue 1,304,025 465,307 (5,093) 1,764,239 Revenue not under the guidance of ASC 606, Revenue from Contracts with Customers : Lease revenue (1) (17,247) (57,242) — (74,489) (Gains) losses from futures contracts included in product sales revenue (2) (82,109) 483 — (81,626) Affiliate management fee revenue (4,676) (11,219) — (15,895) Total revenue from contracts with customers under ASC 606 $ 1,199,993 $ 397,329 $ (5,093) $ 1,592,229 (1) Lease revenue is accounted for under ASC 842, Leases . (2) The impact on product sales revenue from futures contracts falls under the guidance of ASC 815, Derivatives and Hedging . Nine Months Ended September 30, 2021 Refined Products Crude Oil Intersegment Eliminations Total Transportation $ 667,148 $ 172,922 $ 840,070 Terminalling 74,223 12,615 86,838 Storage 135,938 87,237 (4,441) 218,734 Ancillary services 94,640 23,224 117,864 Lease revenue 12,946 55,819 68,765 Transportation and terminals revenue 984,895 351,817 (4,441) 1,332,271 Product sales revenue 487,551 88,024 — 575,575 Affiliate management fee revenue 4,802 11,123 — 15,925 Total revenue 1,477,248 450,964 (4,441) 1,923,771 Revenue not under the guidance of ASC 606, Revenue from Contracts with Customers : Lease revenue (1) (12,946) (55,819) — (68,765) (Gains) losses from futures contracts included in product sales revenue (2) 108,595 14,165 — 122,760 Affiliate management fee revenue (4,802) (11,123) — (15,925) Total revenue from contracts with customers under ASC 606 $ 1,568,095 $ 398,187 $ (4,441) $ 1,961,841 (1) Lease revenue is accounted for under ASC 842, Leases . (2) The impact on product sales revenue from futures contracts falls under the guidance of ASC 815, Derivatives and Hedging . Balance Sheet Disclosures The following table summarizes our accounts receivable, contract assets and contract liabilities resulting from contracts with customers (in thousands): December 31, 2020 September 30, 2021 Accounts receivable from contracts with customers $ 103,275 $ 132,586 Contract assets $ 12,220 $ 12,284 Contract liabilities $ 102,702 $ 106,879 For the respective three and nine months ended September 30, 2021, we recognized $2.9 million and $76.7 million of transportation and terminals revenue that was recorded in deferred revenue as of December 31, 2020. Unfulfilled Performance Obligations The following table provides the aggregate amount of the transaction price allocated to our unfulfilled performance obligations (“UPOs”) as of September 30, 2021 by operating segment, including the range of years remaining on our contracts with customers and an estimate of revenues expected to be recognized over the next 12 months (dollars in thousands): Refined Products Crude Oil Total Balances at September 30, 2021 $ 1,937,717 $ 1,111,166 $ 3,048,883 Remaining terms 1 - 17 years 1 - 10 years Estimated revenues from UPOs to be recognized in the next 12 months $ 365,383 $ 263,798 $ 629,181

Investments in Non-Controlled E

Investments in Non-Controlled Entities	9 Months Ended
	Sep. 30, 2021
Equity Method Investments and Joint Ventures [Abstract]
Investments in Non-Controlled Entities	Investments in Non-Controlled Entities Our equity investments in non-controlled entities at September 30, 2021 were comprised of: Entity Ownership Interest BridgeTex Pipeline Company, LLC (“BridgeTex”) 30% Double Eagle Pipeline LLC (“Double Eagle”) 50% HoustonLink Pipeline Company, LLC (“HoustonLink”) 50% MVP Terminalling, LLC (“MVP”) 25% Powder Springs Logistics, LLC (“Powder Springs”) 50% Saddlehorn Pipeline Company, LLC (“Saddlehorn”) 30% Seabrook Logistics, LLC (“Seabrook”) 50% Texas Frontera, LLC (“Texas Frontera”) 50% . In April 2021, we sold nearly half of our membership interest in MVP. As a result of the sale, we received proceeds of $272.1 million and recorded a gain of $70.4 million on our consolidated statements of income. Following the sale, we own approximately 25% of MVP and remain the operator of the facility. We serve as operator of BridgeTex, HoustonLink, MVP, Powder Springs, Saddlehorn, Texas Frontera and the pipeline activities of Seabrook. We receive fees for management services as well as reimbursement or payment to us for certain direct operational payroll and other overhead costs. The management fees we receive are reported as affiliate management fee revenue on our consolidated statements of income. Cost reimbursements we receive from these entities in connection with our operating services are included as reductions to costs and expenses on our consolidated statements of income and totaled $0.7 million and $0.9 million during the three months ended September 30, 2020 and 2021, respectively, and $2.9 million and $2.1 million during the nine months ended September 30, 2020 and 2021, respectively. We recorded the following revenue and expense transactions from certain of these non-controlled entities in our consolidated statements of income (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2020 2021 2020 2021 Transportation and terminals revenue: BridgeTex, pipeline capacity and storage $ 9,323 $ 10,669 $ 32,748 $ 34,367 Double Eagle, throughput revenue $ 995 $ 631 $ 4,016 $ 2,464 Saddlehorn, storage revenue $ 580 $ 594 $ 1,711 $ 1,753 Operating expense: Seabrook, storage lease and ancillary services $ 7,175 $ 4,477 $ 21,553 $ 15,336 Other operating income: Seabrook, gain on sale of air emission credits $ — $ — $ 1,410 $ 434 Our consolidated balance sheets reflected the following balances related to transactions with our non-controlled entities (in thousands): December 31, 2020 Trade Accounts Receivable Other Accounts Receivable Other Accounts Payable Long-Term Receivables BridgeTex $ 355 $ 27 $ 970 $ — Double Eagle $ 277 $ — $ — $ — HoustonLink $ — $ — $ 144 $ — MVP $ — $ 467 $ 2,297 $ — Powder Springs $ — $ — $ — $ 10,223 Saddlehorn $ — $ 121 $ — $ — Seabrook $ — $ — $ 7,274 $ — September 30, 2021 Trade Accounts Receivable Other Accounts Receivable Other Accounts Payable Long-Term Receivables BridgeTex $ 2,310 $ 15 $ — $ — Double Eagle $ 213 $ — $ — $ — HoustonLink $ — $ — $ 96 $ — MVP $ — $ 542 $ — $ — Powder Springs $ 8 $ — $ — $ 12,429 Saddlehorn $ — $ 187 $ — $ — Seabrook $ — $ 11 $ 810 $ — We entered into a long-term terminalling and storage contract with Seabrook for our exclusive use of dedicated tankage that provides our customers with crude oil storage capacity and dock access for crude oil imports and exports on the Texas Gulf Coast (see Note 8 – Leases for more details regarding this lease). The financial results from MVP, Powder Springs and Texas Frontera are included in our refined products segment and the financial results from BridgeTex, Double Eagle, HoustonLink, Saddlehorn and Seabrook are included in our crude oil segment, each as earnings of non-controlled entities. A summary of our investments in non-controlled entities (representing only our proportionate interest) follows (in thousands): Investments at December 31, 2020 $ 1,213,856 Additional investment 5,616 Sale of ownership interest in MVP (201,673) Earnings of non-controlled entities: Proportionate share of earnings 117,413 Amortization of excess investment and capitalized interest (1,306) Earnings of non-controlled entities 116,107 Less: Distributions from operations of non-controlled entities 140,616 Investments at September 30, 2021 $ 993,290

Inventory

Inventory	9 Months Ended
	Sep. 30, 2021
Inventory Disclosure [Abstract]
Inventory	Inventory Inventory at December 31, 2020 and September 30, 2021 was as follows (in thousands): December 31, 2020 September 30, Refined products $ 71,982 $ 86,362 Crude oil 32,431 28,269 Liquefied petroleum gases 25,040 54,604 Transmix 23,397 47,978 Additives 5,354 5,354 Total inventory $ 158,204 $ 222,567

Debt

Debt	9 Months Ended
	Sep. 30, 2021
Debt Disclosure [Abstract]
Debt	Debt Long-term debt at December 31, 2020 and September 30, 2021 was as follows (in thousands): December 31, September 30, Commercial paper $ — $ 123,000 3.20% Notes due 2025 250,000 250,000 5.00% Notes due 2026 650,000 650,000 3.25% Notes due 2030 500,000 500,000 6.40% Notes due 2037 250,000 250,000 4.20% Notes due 2042 250,000 250,000 5.15% Notes due 2043 550,000 550,000 4.20% Notes due 2045 250,000 250,000 4.25% Notes due 2046 500,000 500,000 4.20% Notes due 2047 500,000 500,000 4.85% Notes due 2049 500,000 500,000 3.95% Notes due 2050 800,000 800,000 Face value of long-term debt 5,000,000 5,123,000 Unamortized debt issuance costs (1) (40,143) (38,419) Net unamortized debt premium (1) 18,834 18,645 Long-term debt, net $ 4,978,691 $ 5,103,226 (1) Debt issuance costs and note discounts and premiums are being amortized or accreted to the applicable notes over the respective lives of those notes. All of the instruments detailed in the table above are senior indebtedness. Other Debt Revolving Credit Facility. At September 30, 2021, the total borrowing capacity under our revolving credit facility maturing in May 2024 was $1.0 billion. Any borrowings outstanding under this facility are classified as long-term debt on our consolidated balance sheets. Borrowings under the facility are unsecured and bear interest at LIBOR plus a spread ranging from 0.875% to 1.500% based on our credit ratings. Additionally, an unused commitment fee is assessed at a rate between 0.075% and 0.200% depending on our credit ratings. The unused commitment fee was 0.125% at September 30, 2021. Borrowings under this facility may be used for general purposes, including capital expenditures. As of December 31, 2020 and September 30, 2021, there were no borrowings outstanding under this facility and $3.5 million was obligated for letters of credit. Amounts obligated for letters of credit are not reflected as debt on our consolidated balance sheets, but decrease our borrowing capacity under this facility. Commercial Paper Program. We have a commercial paper program under which we may issue commercial paper notes in an amount up to the available capacity under our $1.0 billion revolving credit facility. The maturities of the commercial paper notes vary, but may not exceed 397 days from the date of issuance. Because the commercial paper we can issue is limited to amounts available under our revolving credit facility, amounts outstanding under the program are classified as long-term debt. The commercial paper notes are sold under customary terms in the commercial paper market and are issued at a discount from par, or alternatively, are sold at par and bear varying interest rates on a fixed or floating basis. Commercial paper borrowings outstanding at September 30, 2021 were $123.0 million. The weighted-average interest rate for commercial paper borrowings based on the number of days outstanding was 0.2% for the nine months ended September 30, 2021.

Leases

Leases	9 Months Ended
	Sep. 30, 2021
Leases [Abstract]
Leases	Leases Operating Leases – Lessee Related-Party Operating Lease . We entered into a long-term terminalling and storage contract with Seabrook for our exclusive use of dedicated tankage that provides our customers with crude oil storage capacity and dock access for crude oil imports and exports on the Texas Gulf Coast. The following tables provide information about our third-party and Seabrook operating leases (in thousands): Three Months Ended September 30, 2020 Three Months Ended September 30, 2021 Third-Party Leases Seabrook Lease All Leases Third-Party Leases Seabrook Lease All Leases Total lease expense $ 6,474 $ 7,175 $ 13,649 $ 6,321 $ 4,288 $ 10,609 Nine Months Ended September 30, 2020 Nine Months Ended September 30, 2021 Third-Party Leases Seabrook Lease All Leases Third-Party Leases Seabrook Lease All Leases Total lease expense $ 18,173 $ 21,553 $ 39,726 $ 20,266 $ 15,147 $ 35,413 December 31, 2020 September 30, 2021 Third-Party Leases Seabrook Lease All Leases Third-Party Leases Seabrook Lease All Leases Current lease liability $ 17,099 $ 10,434 $ 27,533 $ 17,733 $ 7,885 $ 25,618 Long-term lease liability $ 84,982 $ 52,501 $ 137,483 $ 105,095 $ 46,555 $ 151,650 Right-of-use asset $ 103,142 $ 62,936 $ 166,078 $ 126,029 $ 54,441 $ 180,470

Employee Benefit Plans

Employee Benefit Plans	9 Months Ended
	Sep. 30, 2021
Retirement Benefits [Abstract]
Employee Benefit Plans	Employee Benefit PlansWe sponsor a defined contribution plan in which we match our employees’ qualifying contributions, resulting in additional expense to us. Expenses related to the defined contribution plan, including expense related to discontinued operations, were $2.8 million and $2.7 million for the three months ended September 30, 2020 and 2021, respectively, and $9.7 million and $8.1 million for the nine months ended September 30, 2020 and 2021, respectively. In addition, we sponsor two pension plans, including one for all non-union employees and one that covers union employees, and a postretirement benefit plan for certain employees. The following disclosures related to these plans include amounts related to discontinued operations. Net periodic benefit expense for the three and nine months ended September 30, 2020 and 2021 were as follows (in thousands): Three Months Ended Three Months Ended September 30, 2020 September 30, 2021 Pension Other Postretirement Pension Other Postretirement Components of net periodic benefit costs: Service cost $ 6,898 $ 64 $ 6,953 $ 75 Interest cost 2,738 121 2,395 103 Expected return on plan assets (2,829) — (2,960) — Amortization of prior service credit (46) — (46) — Amortization of actuarial loss 1,346 127 1,273 160 Settlement cost — — 1,300 — Net periodic benefit cost $ 8,107 $ 312 $ 8,915 $ 338 Nine Months Ended Nine Months Ended September 30, 2020 September 30, 2021 Pension Other Postretirement Pension Other Postretirement Components of net periodic benefit costs: Service cost $ 20,836 $ 193 $ 21,269 $ 225 Interest cost 8,251 360 7,078 310 Expected return on plan assets (8,524) — (8,927) — Amortization of prior service credit (136) — (136) — Amortization of actuarial loss 4,080 382 4,058 478 Settlement cost 969 — 2,751 — Settlement gain on disposition of assets (1,342) — — — Net periodic benefit cost $ 24,134 $ 935 $ 26,093 $ 1,013 The service component of our net periodic benefit costs is presented in operating expense and G&A expense, and the non-service components are presented in other (income) expense in our consolidated statements of income. The changes in accumulated other comprehensive loss (“AOCL”) related to employee benefit plan assets and benefit obligations for the three and nine months ended September 30, 2020 and 2021 were as follows (in thousands): Three Months Ended Three Months Ended September 30, 2020 September 30, 2021 Gains (Losses) Included in AOCL Pension Benefits Other Postretirement Benefits Pension Benefits Other Postretirement Benefits Beginning balance $ (98,610) $ (9,269) $ (101,270) $ (11,656) Recognition of prior service credit amortization in income (46) — (46) — Recognition of actuarial loss amortization in income 1,346 127 1,273 160 Recognition of settlement cost in income — — 1,300 — Ending balance $ (97,310) $ (9,142) $ (98,743) $ (11,496) Nine Months Ended Nine Months Ended September 30, 2020 September 30, 2021 Gains (Losses) Included in AOCL Pension Benefits Other Postretirement Benefits Pension Benefits Other Postretirement Benefits Beginning balance $ (104,739) $ (8,378) $ (117,782) $ (10,409) Net actuarial gain (loss) 813 (1,146) 12,366 (1,565) Curtailment gain 1,703 — — — Recognition of prior service credit amortization in income (136) — (136) — Recognition of actuarial loss amortization in income 4,080 382 4,058 478 Recognition of settlement cost in income 969 — 2,751 — Ending balance $ (97,310) $ (9,142) $ (98,743) $ (11,496) Contributions estimated to be paid into the plans in 2021 are $27.6 million and $0.9 million for the pension plans and other postretirement benefit plan, respectively.

Long-Term Incentive Plan

Long-Term Incentive Plan	9 Months Ended
	Sep. 30, 2021
Share-based Payment Arrangement [Abstract]
Long-Term Incentive Plan	Long-Term Incentive Plan The compensation committee of our general partner’s board of directors administers our long-term incentive plan (“LTIP”) covering certain of our employees and the independent directors of our general partner. In April 2021, our compensation committee and our limited partners approved an amendment to the LTIP increasing the number of common units available for issuance from 11.9 million to 13.7 million. The LTIP primarily consists of phantom units. The estimated units remaining available under the LTIP at September 30, 2021 totaled approximately 2.4 million. Equity-based incentive compensation expense for the three and nine months ended September 30, 2020 and 2021, primarily recorded as G&A expense on our consolidated statements of income, was as follows (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2020 2021 2020 2021 Performance-based awards $ (1,121) $ 3,053 $ (1,247) $ 7,923 Time-based awards 2,290 2,573 6,827 7,763 Total $ 1,169 $ 5,626 $ 5,580 $ 15,686 During 2020, LTIP expense related to performance-based awards was reduced due to the impacts of COVID-19 and the significant decline in commodity prices on our financial results. On February 5, 2021, 558,516 unit awards were granted pursuant to our LTIP. These awards included both performance-based and time-based awards and have a three-year vesting period that will end on December 31, 2023. Basic and Diluted Net Income Per Common Unit The difference between our actual common units outstanding and our weighted-average number of common units outstanding used to calculate basic net income per unit is due to the impact of: (i) the unit awards issued to non-employee directors and (ii) the weighted average effect of units actually issued or repurchased during a period. The difference between the weighted-average number of common units outstanding used for basic and diluted net income per unit calculations on our consolidated statements of income is primarily due to the dilutive effect of unit awards associated with our LTIP that have not yet vested.

Derivative Financial Instrument

Derivative Financial Instruments	9 Months Ended
	Sep. 30, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Financial Instruments	Derivative Financial Instruments Commodity Derivatives Our open futures contracts at September 30, 2021 were as follows: Type of Contract/Accounting Methodology Product Represented by the Contract and Associated Barrels Maturity Dates Futures - Economic Hedges 4.9 million barrels of refined products and crude oil Between October 2021 and November 2022 Futures - Economic Hedges 1.2 million barrels of gas liquids Between October 2021 and April 2022 Commodity Derivatives Contracts and Deposits Offsets At December 31, 2020 and September 30, 2021, we had made margin deposits of $34.2 million and $47.6 million, respectively, for our futures contracts with our counterparties, which were recorded as current assets under commodity derivatives deposits on our consolidated balance sheets. We have the right to offset the combined fair values of our open futures contracts against our margin deposits under a master netting arrangement for each counterparty; however, we have elected to present the combined fair values of our open futures contracts separately from the related margin deposits on our consolidated balance sheets. Additionally, we have the right to offset the fair values of our futures contracts together for each counterparty, which we have elected to do, and we report the combined net balances on our consolidated balance sheets. A schedule of the derivative amounts we have offset and the deposit amounts we could offset under a master netting arrangement are provided below as of December 31, 2020 and September 30, 2021 (in thousands): Description Gross Amounts of Recognized Liabilities Gross Amounts of Assets Offset in the Consolidated Balance Sheets Net Amounts of Liabilities Presented in the Consolidated Balance Sheets Margin Deposit Amounts Not Offset in the Consolidated Balance Sheets Net Asset Amount (1) As of December 31, 2020 $ (21,748) $ 1,201 $ (20,547) $ 34,165 $ 13,618 As of September 30, 2021 $ (44,605) $ 22,325 $ (22,280) $ 47,609 $ 25,329 (1) Amount represents the maximum loss we would incur if all of our counterparties failed to perform on their derivative contracts. Basis Derivative Agreement During 2019, we entered into a basis derivative agreement with a joint venture co-owner’s affiliate, and, contemporaneously, that affiliate entered into an intrastate transportation services agreement with the joint venture. Settlements under the basis derivative agreement are determined based on the basis differential of crude oil prices at different market locations and a notional volume of 30,000 barrels per day. As a result, we account for this agreement as a derivative. The agreement will expire in early 2022. We recognize the changes in fair value of this agreement based on forward price curves for crude oil in West Texas and the Houston Gulf Coast in other operating income (expense) in our consolidated statements of income. The liability for this agreement at December 31, 2020 and September 30, 2021 was $10.2 million and $3.1 million, respectively. Impact of Derivatives on Our Financial Statements Comprehensive Income The changes in derivative activity included in AOCL for the three and nine months ended September 30, 2020 and 2021 were as follows (in thousands): Three Months Ended Nine Months Ended September 30, September 30, Derivative Losses Included in AOCL 2020 2021 2020 2021 Beginning balance $ (57,748) $ (53,224) $ (48,960) $ (54,999) Net loss on cash flow hedges — — (10,444) — Reclassification of net loss on cash flow hedges to income 896 887 2,552 2,662 Ending balance $ (56,852) $ (52,337) $ (56,852) $ (52,337) The following is a summary of the effect on our consolidated statements of income for the three and nine months ended September 30, 2020 and 2021 of derivatives that were designated as cash flow hedges (in thousands): Interest Rate Contracts Amount of Loss Recognized in AOCL on Derivatives Location of Loss Reclassified from AOCL into Income Amount of Loss Reclassified from AOCL into Income Three Months Ended September 30, 2020 $ — Interest expense $ (896) Three Months Ended September 30, 2021 $ — Interest expense $ (887) Nine Months Ended September 30, 2020 $ (10,444) Interest expense $ (2,552) Nine Months Ended September 30, 2021 $ — Interest expense $ (2,662) As of September 30, 2021, the net loss estimated to be classified to interest expense over the next twelve months from AOCL is approximately $3.5 million. This amount relates to the amortization of losses on interest rate contracts over the life of the related debt instruments. The following table provides a summary of the effect on our consolidated statements of income for the three and nine months ended September 30, 2020 and 2021 of derivatives that were not designated as hedging instruments (in thousands): Amount of Gain (Loss) Recognized on Derivatives Three Months Ended Nine Months Ended Location of Gain (Loss) September 30, September 30, Derivative Instrument 2020 2021 2020 2021 Futures contracts Product sales revenue $ (7,444) $ (29,626) $ 81,626 $ (122,760) Futures contracts Cost of product sales 1,261 19,303 (2,756) 26,910 Basis derivative agreement Other operating income (expense) (3,155) (1,702) (2,654) (3,629) Total $ (9,338) $ (12,025) $ 76,216 $ (99,479) The impact of the derivatives in the above table was reflected as cash from operations on our consolidated statements of cash flows. Balance Sheets The following tables provide a summary of the fair value of derivatives , which are presented on a net basis in our consolidated balance sheets, that were not designated as hedging instruments as of December 31, 2020 and September 30, 2021 (in thousands): December 31, 2020 Asset Derivatives Liability Derivatives Derivative Instrument Balance Sheet Location Fair Value Balance Sheet Location Fair Value Futures contracts Commodity derivatives contracts, net $ 127 Commodity derivatives contracts, net $ 21,748 Future contracts Other noncurrent assets 1,074 Other noncurrent liabilities — Basis derivative agreement Other current assets — Other current liabilities 8,774 Basis derivative agreement Other noncurrent assets — Other noncurrent liabilities 1,468 Total $ 1,201 Total $ 31,990 September 30, 2021 Asset Derivatives Liability Derivatives Derivative Instrument Balance Sheet Location Fair Value Balance Sheet Location Fair Value Futures contracts Commodity derivatives contracts, net $ 22,325 Commodity derivatives contracts, net $ 40,206 Futures contracts Other noncurrent assets — Other noncurrent liabilities 4,399 Basis derivative agreement Other current assets — Other current liabilities 3,120 Total $ 22,325 Total $ 47,725

Fair Value

Fair Value	9 Months Ended
	Sep. 30, 2021
Fair Value Disclosures [Abstract]
Fair Value	Fair Value Fair Value Methods and Assumptions - Financial Assets and Liabilities We used the following methods and assumptions in estimating fair value of our financial assets and liabilities: • Commodity derivatives contracts . These include exchange-traded futures contracts related to petroleum products. These contracts are carried at fair value on our consolidated balance sheets and are valued based on quoted prices in active markets. See Note 11 – Derivative Financial Instruments for further disclosures regarding these contracts. • Basis derivative agreement. During 2019, we entered into a basis derivative agreement with a joint venture co-owner’s affiliate, and, contemporaneously, that affiliate entered into an intrastate transportation services agreement with the joint venture. Settlements under the basis derivative agreement are determined based on the basis differential of crude oil prices at different market locations and a notional volume of 30,000 barrels per day (see Note 11 - Derivative Financial Instruments for further disclosures regarding this agreement). The fair value of this derivative was calculated based on observable market data inputs, including published commodity pricing data and market interest rates. The key inputs in the fair value calculation include the forward price curves for crude oil, the implied forward correlation in crude oil prices between West Texas and the Houston Gulf Coast, and the implied forward volatility for crude oil futures contracts. • Long-term receivables. These include payments receivable under a sales-type leasing arrangement and cost reimbursement agreements. These receivables were recorded at fair value on our consolidated balance sheets, using then-current market rates to estimate the present value of future cash flows. • Contractual obligations. At September 30, 2021, these primarily include a long-term contractual obligation we entered into in connection with the 2020 sale of three marine terminals to a subsidiary of Buckeye. This obligation requires us to perform certain environmental remediation work on Buckeye’s behalf at the New Haven, Connecticut terminal. This contractual obligation was recorded at fair value on our consolidated balance sheets upon initial recognition and was calculated using our best estimate of potential outcome scenarios to determine our liability for the remediation costs required in this agreement. • Debt. The fair value of our publicly traded notes was based on the prices of those notes at December 31, 2020 and September 30, 2021; however, where recent observable market trades were not available, prices were determined using adjustments to the last traded value for that debt issuance or by adjustments to the prices of similar debt instruments of peer entities that are actively traded. The carrying amount of borrowings, if any, under our revolving credit facility and our commercial paper program approximates fair value due to the frequent repricing of these obligations. Fair Value Measurements - Financial Assets and Liabilities The following tables summarize the carrying amounts, fair values and fair value measurements recorded or disclosed as of December 31, 2020 and September 30, 2021 based on the three levels established by ASC 820, Fair Value Measurements and Disclosures (in thousands): Assets (Liabilities) Fair Value Measurements as of Carrying Amount Fair Value Quoted Prices in Active Markets Significant Significant Commodity derivatives contracts $ (20,547) $ (20,547) $ (20,547) $ — $ — Basis derivative agreement $ (10,242) $ (10,242) $ — $ (10,242) Long-term receivables $ 22,755 $ 22,755 $ — $ — $ 22,755 Contractual obligations $ (11,207) $ (11,207) $ — $ — $ (11,207) Debt $ (4,978,691) $ (5,880,850) $ — $ (5,880,850) $ — Assets (Liabilities) Fair Value Measurements as of Carrying Amount Fair Value Quoted Prices in Active Markets Significant Significant Commodity derivatives contracts $ (22,280) $ (22,280) $ (22,280) $ — $ — Basis derivative agreement $ (3,120) $ (3,120) $ — $ (3,120) $ — Long-term receivables $ 22,768 $ 22,768 $ — $ — $ 22,768 Contractual obligations $ (9,806) $ (9,806) $ — $ — $ (9,806) Debt $ (5,103,226) $ (5,786,692) $ — $ (5,786,692) $ —

Commitments and Contingencies

Commitments and Contingencies	9 Months Ended
	Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Butane Blending Patent Infringement Proceeding On October 4, 2017, Sunoco Partners Marketing & Terminals L.P. (“Sunoco”) brought an action for patent infringement in the U.S. District Court for the District of Delaware alleging Magellan Midstream Partners, L.P. (“Magellan”) and Powder Springs Logistics, LLC (“Powder Springs”) have infringed patents related to butane blending at the Powder Springs facility located in Powder Springs, Georgia. Sunoco subsequently submitted pleadings alleging that Magellan is also infringing various patents related to butane blending at nine Magellan facilities, in addition to Powder Springs. Sunoco is seeking monetary damages, attorneys’ fees and a permanent injunction enjoining Magellan and Powder Springs from infringing the subject patents. We deny and are vigorously defending against all claims asserted by Sunoco. The amounts we have accrued in relation to the claims are immaterial, and although it is not possible to predict the ultimate outcome, we believe the ultimate resolution of this matter will not have a material adverse impact on our results of operations, financial position or cash flows. Environmental Liabilities Liabilities recognized for estimated environmental costs were $14.3 million and $11.8 million at December 31, 2020 and September 30, 2021, respectively. We have classified environmental liabilities as other current or noncurrent based on management’s estimates regarding the timing of actual payments. Environmental expenses recognized as a result of changes in our environmental liabilities are included in operating expense on our consolidated statements of income. Environmental expenses were $0.1 million and $0.4 million for the three months ended September 30, 2020 and 2021, respectively, and $1.3 million and $2.4 million for the nine months ended September 30, 2020 and 2021, respectively. Other In first quarter 2020, we entered into a long-term contractual obligation in connection with the sale of three marine terminals to Buckeye. This obligation requires us to perform certain environmental remediation work on Buckeye’s behalf at the New Haven, Connecticut terminal. At December 31, 2020 our balance sheet includes a current liability of $0.6 million and a noncurrent liability of $10.2 million, and as of September 30, 2021 our balance sheet includes a current liability of $0.5 million and a noncurrent liability of $8.9 million, reflecting the fair values of these obligations. We have entered into an agreement to guarantee our 50% pro rata share, up to $25.0 million, of contractual obligations under the Powder Springs’ credit facility. As of September 30, 2021, our consolidated balance sheets reflected a $0.4 million other current liability and a corresponding increase in investments in non-controlled entities to reflect the fair value of this guarantee.

Related Party Transactions

Related Party Transactions	9 Months Ended
	Sep. 30, 2021
Related Party Transactions [Abstract]
Related Party Transactions	Related Party TransactionsStacy Methvin is an independent member of our general partner’s board of directors and also serves as a director of one of our customers. We received tariff, terminalling and other ancillary revenue from this customer of $8.6 million and $23.2 million for the three months ended September 30, 2020 and 2021, respectively, and $24.3 million and $51.6 million for the nine months ended September 30, 2020 and 2021, respectively. We occasionally have transmix settlements with this customer as well. We recorded receivables of $3.9 million and $2.3 million from this customer at December 31, 2020 and September 30, 2021, respectively. See Note 5 – Investments in Non-Controlled Entities and Note 8 – Leases

Partners' Capital and Distribut

Partners' Capital and Distributions	9 Months Ended
	Sep. 30, 2021
Partners' Capital Notes [Abstract]
Partners' Capital and Distributions	Partners’ Capital and Distributions Partners ’ Capital In 2020, we announced that our general partner’s board of directors had authorized the repurchase of up to $750 million of our common units through 2022. During the third quarter of 2021, we completed the repurchases authorized under this program (see Note 16 - Subsequent Events regarding a subsequent expansion of this program). The following table details the changes in the number of our common units outstanding from December 31, 2020 through September 30, 2021: Common units outstanding on December 31, 2020 223,119,811 Units repurchased during 2021 (9,837,580) January 2021–Settlement of employee LTIP awards 150,435 During 2021–Other (1) 12,572 Common units outstanding on September 30, 2021 213,445,238 (1) Common units issued to settle the equity-based retainers paid to independent directors of our general partner. Distributions Distributions we paid during 2020 and 2021 were as follows (in thousands, except per unit amounts): Payment Date Per Unit Total Distribution 02/14/2020 $ 1.0275 $ 234,774 05/15/2020 1.0275 231,245 08/14/2020 1.0275 231,245 Through 09/30/2020 3.0825 697,264 11/13/2020 1.0275 229,853 Total $ 4.1100 $ 927,117 02/12/2021 $ 1.0275 229,423 05/14/2021 1.0275 228,962 08/13/2021 1.0275 226,633 Through 09/30/2021 3.0825 685,018 11/12/2021 (1) 1.0375 221,449 Total $ 4.1200 $ 906,467 (1) Our general partner’s board of directors declared this distribution in October 2021 to be paid on November 12, 2021 to unitholders of record at the close of business on November 5, 2021. The estimated total distribution is based upon the number of common units currently outstanding.

Subsequent Events

Subsequent Events	9 Months Ended
	Sep. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Recognizable events No recognizable events occurred subsequent to September 30, 2021. Non-recognizable events Distribution. In October 2021, our general partner’s board of directors declared a quarterly distribution of $1.0375 per unit for the period of July 1, 2021 through September 30, 2021. This quarterly distribution will be paid on November 12, 2021 to unitholders of record on November 5, 2021. Unit Repurchase Program. Following the completion of the $750 million repurchase program announced in 2020, our general partner’s board of directors in October 2021 authorized the expansion of our unit repurchase program by $750 million for a total of $1.5 billion and extended the program through 2024. The expanded program allows unit repurchases in compliance with Securities Exchange Act Rules 10b-18, 10b5-1 or both. Our unit repurchase program does not obligate us to acquire a specific number of units during any period, and our decision to commence, discontinue or resume repurchases in any period will depend on a number of factors, including our expected expansion capital spending needs, excess cash available, balance sheet metrics, legal and regulatory requirements, market conditions and the trading price of our units.

Organization, Description of _2

Organization, Description of Business And Basis Of Presentation (Policies)	9 Months Ended
	Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation In the opinion of management, our accompanying consolidated financial statements which are unaudited, except for the consolidated balance sheet as of December 31, 2020, which is derived from our audited financial statements, include all normal and recurring adjustments necessary to present fairly our financial position as of September 30, 2021, the results of operations for the three and nine months ended September 30, 2020 and 2021 and cash flows for the nine months ended September 30, 2020 and 2021. The results of operations for the nine months ended September 30, 2021 are not necessarily indicative of the results to be expected for the full year ending December 31, 2021 for several reasons. Profits from our gas liquids blending activities are realized largely during the first and fourth quarters of each year. Additionally, gasoline demand, which drives transportation volumes and revenues on our refined products pipeline system, generally trends higher during the summer driving months. Further, the volatility of commodity prices impacts the profits from our commodity activities and the volume of petroleum products we transport on our pipelines. Pursuant to the rules and regulations of the Securities and Exchange Commission, the financial statements in this report have been prepared in accordance with generally accepted accounting principles (“GAAP”) in the U.S. for interim financial information. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. These financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2020. Discontinued Operations In June 2021, we entered into an agreement to sell our independent terminals network comprised of 26 refined petroleum products terminals with approximately six million barrels of storage located primarily in the southeastern United States. The sale is expected to close upon the receipt of required regulatory approvals. The related results of operations, financial position and cash flows have been classified as discontinued operations for all periods presented. See Note 2 - Discontinued Operations and Assets Held for Sale for further details. Unless indicated otherwise, the information in the Notes to Consolidated Financial Statements relates to continuing operations.
Use of Estimates	Use of Estimates The preparation of our consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities that exist at the date of our consolidated financial statements, as well as their impact on the reported amounts of revenue and expense during the reporting periods. Actual results could differ from those estimates.
New Accounting Pronouncements	New Accounting Pronouncements We evaluate Accounting Standards Updates issued by the Financial Accounting Standards Board on an ongoing basis. There are no new accounting pronouncements that we anticipate will have a material impact on our financial statements.

Discontinued Operations and A_2

Discontinued Operations and Assets Held for Sale (Tables)	9 Months Ended
	Sep. 30, 2021
Discontinued Operations and Disposal Groups [Abstract]
Disposal Groups, Including Discontinued Operations	Summarized Results of Discontinued Operations The following table provides the summarized results that have been reclassified from continuing operations to discontinued operations on the consolidated statements of income (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2020 2021 2020 2021 Transportation and terminals revenue $ 13,591 $ 13,119 $ 38,524 $ 39,946 Product sales revenue 8,225 14,550 38,715 59,141 Total revenue 21,816 27,669 77,239 99,087 Costs and expenses: Operating 4,266 2,814 11,495 10,070 Cost of product sales 6,744 8,846 30,948 40,620 Depreciation, amortization and impairment 3,383 57 10,670 7,059 General and administrative 519 643 1,612 1,900 Total costs and expenses 14,912 12,360 54,725 59,649 Income from discontinued operations $ 6,904 $ 15,309 $ 22,514 $ 39,438 Summarized Assets and Liabilities of Discontinued Operations The following table provides the summarized assets and liabilities classified as held for sale on the consolidated balance sheets (in thousands): December 31, 2020 September 30, Assets: Trade accounts receivable $ 5,568 $ 7,013 Inventory 9,185 12,641 Net property, plant and equipment 274,857 269,468 Goodwill 2,709 2,709 Other assets 306 7,473 Total assets classified as held for sale $ 292,625 $ 299,304 Liabilities: Accounts payable $ 2,034 $ 4,087 Accrued product liabilities 3,986 7,123 Other liabilities 3,911 4,306 Total liabilities classified as held for sale $ 9,931 $ 15,516

Segment Disclosures (Tables)

Segment Disclosures (Tables)	9 Months Ended
	Sep. 30, 2021
Segment Reporting [Abstract]
Schedule of Business Segment Reporting Information	Three Months Ended September 30, 2020 Refined Products Crude Oil Intersegment Total Transportation and terminals revenue $ 307,218 $ 154,652 $ (1,930) $ 459,940 Product sales revenue 106,027 5,193 — 111,220 Affiliate management fee revenue 1,579 3,709 — 5,288 Total revenue 414,824 163,554 (1,930) 576,448 Operating expense 114,313 46,956 (3,553) 157,716 Cost of product sales 79,612 9,763 — 89,375 Other operating (income) expense (193) 3,056 — 2,863 Earnings of non-controlled entities (7,134) (32,001) — (39,135) Operating margin 228,226 135,780 1,623 365,629 Depreciation, amortization and impairment expense 38,237 28,579 1,623 68,439 G&A expense 26,968 10,529 — 37,497 Operating profit $ 163,021 $ 96,672 $ — $ 259,693 Three Months Ended September 30, 2021 Refined Products Crude Oil Intersegment Total Transportation and terminals revenue $ 349,430 $ 116,920 $ (1,440) $ 464,910 Product sales revenue 153,352 15,463 — 168,815 Affiliate management fee revenue 1,643 3,686 — 5,329 Total revenue 504,425 136,069 (1,440) 639,054 Operating expense 114,612 35,042 (3,098) 146,556 Cost of product sales 128,372 17,483 — 145,855 Other operating (income) expense (2,873) 282 — (2,591) Earnings of non-controlled entities (8,160) (28,306) — (36,466) Operating margin 272,474 111,568 1,658 385,700 Depreciation, amortization and impairment expense 42,552 17,191 1,658 61,401 G&A expense 33,478 13,154 — 46,632 Operating profit $ 196,444 $ 81,223 $ — $ 277,667 Nine Months Ended September 30, 2020 Refined Products Crude Oil Intersegment Total Transportation and terminals revenue $ 876,363 $ 433,947 $ (5,093) $ 1,305,217 Product sales revenue 422,986 20,141 — 443,127 Affiliate management fee revenue 4,676 11,219 — 15,895 Total revenue 1,304,025 465,307 (5,093) 1,764,239 Operating expense 316,371 139,645 (9,914) 446,102 Cost of product sales 334,366 30,550 — 364,916 Other operating (income) expense (2,223) 1,684 — (539) Earnings of non-controlled entities (25,946) (90,538) — (116,484) Operating margin 681,457 383,966 4,821 1,070,244 Depreciation, amortization and impairment expense 118,038 60,367 4,821 183,226 G&A expense 83,190 32,290 — 115,480 Operating profit $ 480,229 $ 291,309 $ — $ 771,538 Nine Months Ended September 30, 2021 Refined Products Crude Oil Intersegment Total Transportation and terminals revenue $ 984,895 $ 351,817 $ (4,441) $ 1,332,271 Product sales revenue 487,551 88,024 — 575,575 Affiliate management fee revenue 4,802 11,123 — 15,925 Total revenue 1,477,248 450,964 (4,441) 1,923,771 Operating expense 314,241 118,072 (9,406) 422,907 Cost of product sales 394,316 94,298 — 488,614 Other operating (income) expense (6,279) 2,246 — (4,033) Earnings of non-controlled entities (25,528) (90,579) — (116,107) Operating margin 800,498 326,927 4,965 1,132,390 Depreciation, amortization and impairment expense 112,754 50,585 4,965 168,304 G&A expense 106,749 41,922 — 148,671 Operating profit $ 580,995 $ 234,420 $ — $ 815,415

Revenue (Tables)

Revenue (Tables)	9 Months Ended
	Sep. 30, 2021
Revenue from Contract with Customer [Abstract]
Revenue from External Customers by Products and Services	The following tables provide details of our revenue disaggregated by key activities that comprise our performance obligations by operating segment (in thousands): Three Months Ended September 30, 2020 Refined Products Crude Oil Intersegment Eliminations Total Transportation $ 192,194 $ 90,156 $ — $ 282,350 Terminalling 30,650 5,651 — 36,301 Storage 49,104 32,876 (1,930) 80,050 Ancillary services 29,955 6,828 — 36,783 Lease revenue 5,315 19,141 — 24,456 Transportation and terminals revenue 307,218 154,652 (1,930) 459,940 Product sales revenue 106,027 5,193 — 111,220 Affiliate management fee revenue 1,579 3,709 — 5,288 Total revenue 414,824 163,554 (1,930) 576,448 Revenue not under the guidance of ASC 606, Revenue from Contracts with Customers: Lease revenue (1) (5,315) (19,141) — (24,456) (Gains) losses from futures contracts included in product sales revenue (2) 6,560 884 — 7,444 Affiliate management fee revenue (1,579) (3,709) — (5,288) Total revenue from contracts with customers under ASC 606 $ 414,490 $ 141,588 $ (1,930) $ 554,148 (1) Lease revenue is accounted for under Accounting Standards Codification (“ASC”) 842, Leases . (2) The impact on product sales revenue from futures contracts falls under the guidance of ASC 815, Derivatives and Hedging . Three Months Ended September 30, 2021 Refined Products Crude Oil Intersegment Eliminations Total Transportation $ 241,685 $ 58,172 $ — $ 299,857 Terminalling 26,468 3,280 — 29,748 Storage 42,316 28,199 (1,440) 69,075 Ancillary services 34,157 7,667 — 41,824 Lease revenue 4,804 19,602 — 24,406 Transportation and terminals revenue 349,430 116,920 (1,440) 464,910 Product sales revenue 153,352 15,463 — 168,815 Affiliate management fee revenue 1,643 3,686 — 5,329 Total revenue 504,425 136,069 (1,440) 639,054 Revenue not under the guidance of ASC 606, Revenue from Contracts with Customers: Lease revenue (1) (4,804) (19,602) — (24,406) (Gains) losses from futures contracts included in product sales revenue (2) 26,992 2,634 — 29,626 Affiliate management fee revenue (1,643) (3,686) — (5,329) Total revenue from contracts with customers under ASC 606 $ 524,970 $ 115,415 $ (1,440) $ 638,945 (1) Lease revenue is accounted for under ASC 842, Leases . (2) The impact on product sales revenue from futures contracts falls under the guidance of ASC 815, Derivatives and Hedging . Nine Months Ended September 30, 2020 Refined Products Crude Oil Intersegment Eliminations Total Transportation $ 533,451 $ 244,155 $ — $ 777,606 Terminalling 88,038 14,702 — 102,740 Storage 152,186 97,103 (5,093) 244,196 Ancillary services 85,441 20,745 — 106,186 Lease revenue 17,247 57,242 — 74,489 Transportation and terminals revenue 876,363 433,947 (5,093) 1,305,217 Product sales revenue 422,986 20,141 — 443,127 Affiliate management fee revenue 4,676 11,219 — 15,895 Total revenue 1,304,025 465,307 (5,093) 1,764,239 Revenue not under the guidance of ASC 606, Revenue from Contracts with Customers : Lease revenue (1) (17,247) (57,242) — (74,489) (Gains) losses from futures contracts included in product sales revenue (2) (82,109) 483 — (81,626) Affiliate management fee revenue (4,676) (11,219) — (15,895) Total revenue from contracts with customers under ASC 606 $ 1,199,993 $ 397,329 $ (5,093) $ 1,592,229 (1) Lease revenue is accounted for under ASC 842, Leases . (2) The impact on product sales revenue from futures contracts falls under the guidance of ASC 815, Derivatives and Hedging . Nine Months Ended September 30, 2021 Refined Products Crude Oil Intersegment Eliminations Total Transportation $ 667,148 $ 172,922 $ 840,070 Terminalling 74,223 12,615 86,838 Storage 135,938 87,237 (4,441) 218,734 Ancillary services 94,640 23,224 117,864 Lease revenue 12,946 55,819 68,765 Transportation and terminals revenue 984,895 351,817 (4,441) 1,332,271 Product sales revenue 487,551 88,024 — 575,575 Affiliate management fee revenue 4,802 11,123 — 15,925 Total revenue 1,477,248 450,964 (4,441) 1,923,771 Revenue not under the guidance of ASC 606, Revenue from Contracts with Customers : Lease revenue (1) (12,946) (55,819) — (68,765) (Gains) losses from futures contracts included in product sales revenue (2) 108,595 14,165 — 122,760 Affiliate management fee revenue (4,802) (11,123) — (15,925) Total revenue from contracts with customers under ASC 606 $ 1,568,095 $ 398,187 $ (4,441) $ 1,961,841 (1) Lease revenue is accounted for under ASC 842, Leases . (2) The impact on product sales revenue from futures contracts falls under the guidance of ASC 815, Derivatives and Hedging .
Contract with Customer, Asset and Liability	The following table summarizes our accounts receivable, contract assets and contract liabilities resulting from contracts with customers (in thousands): December 31, 2020 September 30, 2021 Accounts receivable from contracts with customers $ 103,275 $ 132,586 Contract assets $ 12,220 $ 12,284 Contract liabilities $ 102,702 $ 106,879
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction	The following table provides the aggregate amount of the transaction price allocated to our unfulfilled performance obligations (“UPOs”) as of September 30, 2021 by operating segment, including the range of years remaining on our contracts with customers and an estimate of revenues expected to be recognized over the next 12 months (dollars in thousands): Refined Products Crude Oil Total Balances at September 30, 2021 $ 1,937,717 $ 1,111,166 $ 3,048,883 Remaining terms 1 - 17 years 1 - 10 years Estimated revenues from UPOs to be recognized in the next 12 months $ 365,383 $ 263,798 $ 629,181

Investments in Non-Controlled_2

Investments in Non-Controlled Entities (Tables)	9 Months Ended
	Sep. 30, 2021
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investments	Our equity investments in non-controlled entities at September 30, 2021 were comprised of: Entity Ownership Interest BridgeTex Pipeline Company, LLC (“BridgeTex”) 30% Double Eagle Pipeline LLC (“Double Eagle”) 50% HoustonLink Pipeline Company, LLC (“HoustonLink”) 50% MVP Terminalling, LLC (“MVP”) 25% Powder Springs Logistics, LLC (“Powder Springs”) 50% Saddlehorn Pipeline Company, LLC (“Saddlehorn”) 30% Seabrook Logistics, LLC (“Seabrook”) 50% Texas Frontera, LLC (“Texas Frontera”) 50% . We recorded the following revenue and expense transactions from certain of these non-controlled entities in our consolidated statements of income (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2020 2021 2020 2021 Transportation and terminals revenue: BridgeTex, pipeline capacity and storage $ 9,323 $ 10,669 $ 32,748 $ 34,367 Double Eagle, throughput revenue $ 995 $ 631 $ 4,016 $ 2,464 Saddlehorn, storage revenue $ 580 $ 594 $ 1,711 $ 1,753 Operating expense: Seabrook, storage lease and ancillary services $ 7,175 $ 4,477 $ 21,553 $ 15,336 Other operating income: Seabrook, gain on sale of air emission credits $ — $ — $ 1,410 $ 434 Our consolidated balance sheets reflected the following balances related to transactions with our non-controlled entities (in thousands): December 31, 2020 Trade Accounts Receivable Other Accounts Receivable Other Accounts Payable Long-Term Receivables BridgeTex $ 355 $ 27 $ 970 $ — Double Eagle $ 277 $ — $ — $ — HoustonLink $ — $ — $ 144 $ — MVP $ — $ 467 $ 2,297 $ — Powder Springs $ — $ — $ — $ 10,223 Saddlehorn $ — $ 121 $ — $ — Seabrook $ — $ — $ 7,274 $ — September 30, 2021 Trade Accounts Receivable Other Accounts Receivable Other Accounts Payable Long-Term Receivables BridgeTex $ 2,310 $ 15 $ — $ — Double Eagle $ 213 $ — $ — $ — HoustonLink $ — $ — $ 96 $ — MVP $ — $ 542 $ — $ — Powder Springs $ 8 $ — $ — $ 12,429 Saddlehorn $ — $ 187 $ — $ — Seabrook $ — $ 11 $ 810 $ — A summary of our investments in non-controlled entities (representing only our proportionate interest) follows (in thousands): Investments at December 31, 2020 $ 1,213,856 Additional investment 5,616 Sale of ownership interest in MVP (201,673) Earnings of non-controlled entities: Proportionate share of earnings 117,413 Amortization of excess investment and capitalized interest (1,306) Earnings of non-controlled entities 116,107 Less: Distributions from operations of non-controlled entities 140,616 Investments at September 30, 2021 $ 993,290

Inventory (Tables)

Inventory (Tables)	9 Months Ended
	Sep. 30, 2021
Inventory Disclosure [Abstract]
Schedule of Inventory	Inventory at December 31, 2020 and September 30, 2021 was as follows (in thousands): December 31, 2020 September 30, Refined products $ 71,982 $ 86,362 Crude oil 32,431 28,269 Liquefied petroleum gases 25,040 54,604 Transmix 23,397 47,978 Additives 5,354 5,354 Total inventory $ 158,204 $ 222,567

Debt (Tables)

Debt (Tables)	9 Months Ended
	Sep. 30, 2021
Debt Disclosure [Abstract]
Consolidated Debt	Long-term debt at December 31, 2020 and September 30, 2021 was as follows (in thousands): December 31, September 30, Commercial paper $ — $ 123,000 3.20% Notes due 2025 250,000 250,000 5.00% Notes due 2026 650,000 650,000 3.25% Notes due 2030 500,000 500,000 6.40% Notes due 2037 250,000 250,000 4.20% Notes due 2042 250,000 250,000 5.15% Notes due 2043 550,000 550,000 4.20% Notes due 2045 250,000 250,000 4.25% Notes due 2046 500,000 500,000 4.20% Notes due 2047 500,000 500,000 4.85% Notes due 2049 500,000 500,000 3.95% Notes due 2050 800,000 800,000 Face value of long-term debt 5,000,000 5,123,000 Unamortized debt issuance costs (1) (40,143) (38,419) Net unamortized debt premium (1) 18,834 18,645 Long-term debt, net $ 4,978,691 $ 5,103,226 (1) Debt issuance costs and note discounts and premiums are being amortized or accreted to the applicable notes over the respective lives of those notes.

Leases (Tables)

Leases (Tables)	9 Months Ended
	Sep. 30, 2021
Leases [Abstract]
Operating Leases	The following tables provide information about our third-party and Seabrook operating leases (in thousands): Three Months Ended September 30, 2020 Three Months Ended September 30, 2021 Third-Party Leases Seabrook Lease All Leases Third-Party Leases Seabrook Lease All Leases Total lease expense $ 6,474 $ 7,175 $ 13,649 $ 6,321 $ 4,288 $ 10,609 Nine Months Ended September 30, 2020 Nine Months Ended September 30, 2021 Third-Party Leases Seabrook Lease All Leases Third-Party Leases Seabrook Lease All Leases Total lease expense $ 18,173 $ 21,553 $ 39,726 $ 20,266 $ 15,147 $ 35,413 December 31, 2020 September 30, 2021 Third-Party Leases Seabrook Lease All Leases Third-Party Leases Seabrook Lease All Leases Current lease liability $ 17,099 $ 10,434 $ 27,533 $ 17,733 $ 7,885 $ 25,618 Long-term lease liability $ 84,982 $ 52,501 $ 137,483 $ 105,095 $ 46,555 $ 151,650 Right-of-use asset $ 103,142 $ 62,936 $ 166,078 $ 126,029 $ 54,441 $ 180,470

Employee Benefit Plans (Tables)

Employee Benefit Plans (Tables)	9 Months Ended
	Sep. 30, 2021
Retirement Benefits [Abstract]
Schedule of Consolidated Net Periodic Benefit Costs	Net periodic benefit expense for the three and nine months ended September 30, 2020 and 2021 were as follows (in thousands): Three Months Ended Three Months Ended September 30, 2020 September 30, 2021 Pension Other Postretirement Pension Other Postretirement Components of net periodic benefit costs: Service cost $ 6,898 $ 64 $ 6,953 $ 75 Interest cost 2,738 121 2,395 103 Expected return on plan assets (2,829) — (2,960) — Amortization of prior service credit (46) — (46) — Amortization of actuarial loss 1,346 127 1,273 160 Settlement cost — — 1,300 — Net periodic benefit cost $ 8,107 $ 312 $ 8,915 $ 338 Nine Months Ended Nine Months Ended September 30, 2020 September 30, 2021 Pension Other Postretirement Pension Other Postretirement Components of net periodic benefit costs: Service cost $ 20,836 $ 193 $ 21,269 $ 225 Interest cost 8,251 360 7,078 310 Expected return on plan assets (8,524) — (8,927) — Amortization of prior service credit (136) — (136) — Amortization of actuarial loss 4,080 382 4,058 478 Settlement cost 969 — 2,751 — Settlement gain on disposition of assets (1,342) — — — Net periodic benefit cost $ 24,134 $ 935 $ 26,093 $ 1,013
Schedule of Amounts Recognized in Other Comprehensive Loss	The changes in accumulated other comprehensive loss (“AOCL”) related to employee benefit plan assets and benefit obligations for the three and nine months ended September 30, 2020 and 2021 were as follows (in thousands): Three Months Ended Three Months Ended September 30, 2020 September 30, 2021 Gains (Losses) Included in AOCL Pension Benefits Other Postretirement Benefits Pension Benefits Other Postretirement Benefits Beginning balance $ (98,610) $ (9,269) $ (101,270) $ (11,656) Recognition of prior service credit amortization in income (46) — (46) — Recognition of actuarial loss amortization in income 1,346 127 1,273 160 Recognition of settlement cost in income — — 1,300 — Ending balance $ (97,310) $ (9,142) $ (98,743) $ (11,496) Nine Months Ended Nine Months Ended September 30, 2020 September 30, 2021 Gains (Losses) Included in AOCL Pension Benefits Other Postretirement Benefits Pension Benefits Other Postretirement Benefits Beginning balance $ (104,739) $ (8,378) $ (117,782) $ (10,409) Net actuarial gain (loss) 813 (1,146) 12,366 (1,565) Curtailment gain 1,703 — — — Recognition of prior service credit amortization in income (136) — (136) — Recognition of actuarial loss amortization in income 4,080 382 4,058 478 Recognition of settlement cost in income 969 — 2,751 — Ending balance $ (97,310) $ (9,142) $ (98,743) $ (11,496)

Long-Term Incentive Plan (Table

Long-Term Incentive Plan (Tables)	9 Months Ended
	Sep. 30, 2021
Share-based Payment Arrangement [Abstract]
Equity-Based Incentive Compensation Expense	Equity-based incentive compensation expense for the three and nine months ended September 30, 2020 and 2021, primarily recorded as G&A expense on our consolidated statements of income, was as follows (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2020 2021 2020 2021 Performance-based awards $ (1,121) $ 3,053 $ (1,247) $ 7,923 Time-based awards 2,290 2,573 6,827 7,763 Total $ 1,169 $ 5,626 $ 5,580 $ 15,686

Derivative Financial Instrume_2

Derivative Financial Instruments (Tables)	9 Months Ended
	Sep. 30, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule Of NYMEX Contracts And Butane Price Swap Purchase Agreements	Our open futures contracts at September 30, 2021 were as follows: Type of Contract/Accounting Methodology Product Represented by the Contract and Associated Barrels Maturity Dates Futures - Economic Hedges 4.9 million barrels of refined products and crude oil Between October 2021 and November 2022 Futures - Economic Hedges 1.2 million barrels of gas liquids Between October 2021 and April 2022
Derivatives and Offset Amounts	A schedule of the derivative amounts we have offset and the deposit amounts we could offset under a master netting arrangement are provided below as of December 31, 2020 and September 30, 2021 (in thousands): Description Gross Amounts of Recognized Liabilities Gross Amounts of Assets Offset in the Consolidated Balance Sheets Net Amounts of Liabilities Presented in the Consolidated Balance Sheets Margin Deposit Amounts Not Offset in the Consolidated Balance Sheets Net Asset Amount (1) As of December 31, 2020 $ (21,748) $ 1,201 $ (20,547) $ 34,165 $ 13,618 As of September 30, 2021 $ (44,605) $ 22,325 $ (22,280) $ 47,609 $ 25,329 (1) Amount represents the maximum loss we would incur if all of our counterparties failed to perform on their derivative contracts.
Derivatives and Hedging-Cash Flow Hedges	The changes in derivative activity included in AOCL for the three and nine months ended September 30, 2020 and 2021 were as follows (in thousands): Three Months Ended Nine Months Ended September 30, September 30, Derivative Losses Included in AOCL 2020 2021 2020 2021 Beginning balance $ (57,748) $ (53,224) $ (48,960) $ (54,999) Net loss on cash flow hedges — — (10,444) — Reclassification of net loss on cash flow hedges to income 896 887 2,552 2,662 Ending balance $ (56,852) $ (52,337) $ (56,852) $ (52,337) The following is a summary of the effect on our consolidated statements of income for the three and nine months ended September 30, 2020 and 2021 of derivatives that were designated as cash flow hedges (in thousands): Interest Rate Contracts Amount of Loss Recognized in AOCL on Derivatives Location of Loss Reclassified from AOCL into Income Amount of Loss Reclassified from AOCL into Income Three Months Ended September 30, 2020 $ — Interest expense $ (896) Three Months Ended September 30, 2021 $ — Interest expense $ (887) Nine Months Ended September 30, 2020 $ (10,444) Interest expense $ (2,552) Nine Months Ended September 30, 2021 $ — Interest expense $ (2,662)
Derivatives and Hedging-Overall-Subsequent Measurement	The following table provides a summary of the effect on our consolidated statements of income for the three and nine months ended September 30, 2020 and 2021 of derivatives that were not designated as hedging instruments (in thousands): Amount of Gain (Loss) Recognized on Derivatives Three Months Ended Nine Months Ended Location of Gain (Loss) September 30, September 30, Derivative Instrument 2020 2021 2020 2021 Futures contracts Product sales revenue $ (7,444) $ (29,626) $ 81,626 $ (122,760) Futures contracts Cost of product sales 1,261 19,303 (2,756) 26,910 Basis derivative agreement Other operating income (expense) (3,155) (1,702) (2,654) (3,629) Total $ (9,338) $ (12,025) $ 76,216 $ (99,479)
Derivatives and Hedging-Designated	The following tables provide a summary of the fair value of derivatives , which are presented on a net basis in our consolidated balance sheets, that were not designated as hedging instruments as of December 31, 2020 and September 30, 2021 (in thousands): December 31, 2020 Asset Derivatives Liability Derivatives Derivative Instrument Balance Sheet Location Fair Value Balance Sheet Location Fair Value Futures contracts Commodity derivatives contracts, net $ 127 Commodity derivatives contracts, net $ 21,748 Future contracts Other noncurrent assets 1,074 Other noncurrent liabilities — Basis derivative agreement Other current assets — Other current liabilities 8,774 Basis derivative agreement Other noncurrent assets — Other noncurrent liabilities 1,468 Total $ 1,201 Total $ 31,990 September 30, 2021 Asset Derivatives Liability Derivatives Derivative Instrument Balance Sheet Location Fair Value Balance Sheet Location Fair Value Futures contracts Commodity derivatives contracts, net $ 22,325 Commodity derivatives contracts, net $ 40,206 Futures contracts Other noncurrent assets — Other noncurrent liabilities 4,399 Basis derivative agreement Other current assets — Other current liabilities 3,120 Total $ 22,325 Total $ 47,725

Fair Value (Tables)

Fair Value (Tables)	9 Months Ended
	Sep. 30, 2021
Fair Value Disclosures [Abstract]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis	The following tables summarize the carrying amounts, fair values and fair value measurements recorded or disclosed as of December 31, 2020 and September 30, 2021 based on the three levels established by ASC 820, Fair Value Measurements and Disclosures (in thousands): Assets (Liabilities) Fair Value Measurements as of Carrying Amount Fair Value Quoted Prices in Active Markets Significant Significant Commodity derivatives contracts $ (20,547) $ (20,547) $ (20,547) $ — $ — Basis derivative agreement $ (10,242) $ (10,242) $ — $ (10,242) Long-term receivables $ 22,755 $ 22,755 $ — $ — $ 22,755 Contractual obligations $ (11,207) $ (11,207) $ — $ — $ (11,207) Debt $ (4,978,691) $ (5,880,850) $ — $ (5,880,850) $ — Assets (Liabilities) Fair Value Measurements as of Carrying Amount Fair Value Quoted Prices in Active Markets Significant Significant Commodity derivatives contracts $ (22,280) $ (22,280) $ (22,280) $ — $ — Basis derivative agreement $ (3,120) $ (3,120) $ — $ (3,120) $ — Long-term receivables $ 22,768 $ 22,768 $ — $ — $ 22,768 Contractual obligations $ (9,806) $ (9,806) $ — $ — $ (9,806) Debt $ (5,103,226) $ (5,786,692) $ — $ (5,786,692) $ —

Partners' Capital and Distrib_2

Partners' Capital and Distributions (Tables)	9 Months Ended
	Sep. 30, 2021
Partners' Capital Notes [Abstract]
Schedule of Capital Units	The following table details the changes in the number of our common units outstanding from December 31, 2020 through September 30, 2021: Common units outstanding on December 31, 2020 223,119,811 Units repurchased during 2021 (9,837,580) January 2021–Settlement of employee LTIP awards 150,435 During 2021–Other (1) 12,572 Common units outstanding on September 30, 2021 213,445,238 (1) Common units issued to settle the equity-based retainers paid to independent directors of our general partner.
Schedule of Distributions	Distributions we paid during 2020 and 2021 were as follows (in thousands, except per unit amounts): Payment Date Per Unit Total Distribution 02/14/2020 $ 1.0275 $ 234,774 05/15/2020 1.0275 231,245 08/14/2020 1.0275 231,245 Through 09/30/2020 3.0825 697,264 11/13/2020 1.0275 229,853 Total $ 4.1100 $ 927,117 02/12/2021 $ 1.0275 229,423 05/14/2021 1.0275 228,962 08/13/2021 1.0275 226,633 Through 09/30/2021 3.0825 685,018 11/12/2021 (1) 1.0375 221,449 Total $ 4.1200 $ 906,467 (1) Our general partner’s board of directors declared this distribution in October 2021 to be paid on November 12, 2021 to unitholders of record at the close of business on November 5, 2021. The estimated total distribution is based upon the number of common units currently outstanding.

Organization, Description of _3

Organization, Description of Business and Basis of Presentation (Narrative) (Details) bbl in Millions	Sep. 30, 2021bblTerminalmi	Jun. 10, 2021bblTerminal
Independent Terminals Network | Discontinued Operations, Held-for-sale
Organization and Description of Business [Line Items]
Number of Independent Terminals | Terminal	26	26
Contracted Storage	6	6
Refined Products Segment [Member]
Organization and Description of Business [Line Items]
Pipeline Length | mi	9,800
Number of Pipeline Terminals | Terminal	54
Number of Marine Terminals | Terminal	2
Number Of Marine Terminals, Owned Through Joint Venture | Terminal	1
Crude Oil Pipeline and Terminals Segment [Member]
Organization and Description of Business [Line Items]
Pipeline Length | mi	2,200
Storage Capacity	37
Contracted Storage	27
Pipeline, Length - Wholly Owned | mi	1,000
Storage Capacity - Wholly Owned	30
Contracted Storage - Wholly Owned	24

Discontinued Operations and A_3

Discontinued Operations and Assets Held for Sale (Narrative) (Details) $ in Thousands, bbl in Millions	Jun. 10, 2021USD ($)bblTerminal	Sep. 30, 2021USD ($)bblTerminal	Sep. 30, 2020USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Sale of Productive Assets		$ 271,964	$ 334,583
Independent Terminals Network | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of Independent Terminals | Terminal	26	26
Contracted Storage | bbl	6	6
Proceeds from Sale of Productive Assets	$ 435,000

Discontinued Operations and A_4

Discontinued Operations and Assets Held for Sale (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenue	$ 27,669	$ 21,816	$ 99,087	$ 77,239
Costs and expenses:
Operating	2,814	4,266	10,070	11,495
Cost of product sales	8,846	6,744	40,620	30,948
Depreciation, amortization and impairment	57	3,383	7,059	10,670
General and administrative	643	519	1,900	1,612
Total costs and expenses	12,360	14,912	59,649	54,725
Income from discontinued operations	15,309	6,904	39,438	22,514
Assets:
Trade accounts receivable	7,013		7,013		$ 5,568
Inventory	12,641		12,641		9,185
Net property, plant and equipment	269,468		269,468		274,857
Goodwill	2,709		2,709		2,709
Other assets	7,473		7,473		306
Total assets classified as held for sale	299,304		299,304		292,625
Liabilities:
Accounts payable	4,087		4,087		2,034
Accrued product liabilities	7,123		7,123		3,986
Other liabilities	4,306		4,306		3,911
Total liabilities classified as held for sale	15,516		15,516		$ 9,931
Transportation and terminals revenue
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenue	13,119	13,591	39,946	38,524
Product sales revenue
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenue	$ 14,550	$ 8,225	$ 59,141	$ 38,715

Segment Disclosures (Schedule O

Segment Disclosures (Schedule Of Business Segment Reporting Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Revenues	$ 639,054	$ 576,448	$ 1,923,771	$ 1,764,239
Operating expense	146,556	157,716	422,907	446,102
Cost of product sales	145,855	89,375	488,614	364,916
Other operating (income) expense	(2,591)	2,863	(4,033)	(539)
Earnings of non-controlled entities	(36,466)	(39,135)	(116,107)	(116,484)
Operating margin	385,700	365,629	1,132,390	1,070,244
Depreciation, amortization and impairment	61,401	68,439	168,304	183,226
G&A expense	46,632	37,497	148,671	115,480
Operating profit	277,667	259,693	815,415	771,538
Operating Segments [Member] | Refined Products Segment [Member]
Segment Reporting Information [Line Items]
Revenues	504,425	414,824	1,477,248	1,304,025
Operating expense	114,612	114,313	314,241	316,371
Cost of product sales	128,372	79,612	394,316	334,366
Other operating (income) expense	(2,873)	(193)	(6,279)	(2,223)
Earnings of non-controlled entities	(8,160)	(7,134)	(25,528)	(25,946)
Operating margin	272,474	228,226	800,498	681,457
Depreciation, amortization and impairment	42,552	38,237	112,754	118,038
G&A expense	33,478	26,968	106,749	83,190
Operating profit	196,444	163,021	580,995	480,229
Operating Segments [Member] | Crude Oil Pipeline and Terminals Segment [Member]
Segment Reporting Information [Line Items]
Revenues	136,069	163,554	450,964	465,307
Operating expense	35,042	46,956	118,072	139,645
Cost of product sales	17,483	9,763	94,298	30,550
Other operating (income) expense	282	3,056	2,246	1,684
Earnings of non-controlled entities	(28,306)	(32,001)	(90,579)	(90,538)
Operating margin	111,568	135,780	326,927	383,966
Depreciation, amortization and impairment	17,191	28,579	50,585	60,367
G&A expense	13,154	10,529	41,922	32,290
Operating profit	81,223	96,672	234,420	291,309
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	(1,440)	(1,930)	(4,441)	(5,093)
Operating expense	(3,098)	(3,553)	(9,406)	(9,914)
Cost of product sales	0	0	0	0
Other operating (income) expense	0	0	0	0
Earnings of non-controlled entities	0	0	0	0
Operating margin	1,658	1,623	4,965	4,821
Depreciation, amortization and impairment	1,658	1,623	4,965	4,821
G&A expense	0	0	0	0
Operating profit	0	0	0	0
Transportation and terminals revenue
Segment Reporting Information [Line Items]
Revenues	464,910	459,940	1,332,271	1,305,217
Transportation and terminals revenue | Operating Segments [Member] | Refined Products Segment [Member]
Segment Reporting Information [Line Items]
Revenues	349,430	307,218	984,895	876,363
Transportation and terminals revenue | Operating Segments [Member] | Crude Oil Pipeline and Terminals Segment [Member]
Segment Reporting Information [Line Items]
Revenues	116,920	154,652	351,817	433,947
Transportation and terminals revenue | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	(1,440)	(1,930)	(4,441)	(5,093)
Product sales revenue
Segment Reporting Information [Line Items]
Revenues	168,815	111,220	575,575	443,127
Product sales revenue | Operating Segments [Member] | Refined Products Segment [Member]
Segment Reporting Information [Line Items]
Revenues	153,352	106,027	487,551	422,986
Product sales revenue | Operating Segments [Member] | Crude Oil Pipeline and Terminals Segment [Member]
Segment Reporting Information [Line Items]
Revenues	15,463	5,193	88,024	20,141
Product sales revenue | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Affiliate management fee revenue
Segment Reporting Information [Line Items]
Revenues	5,329	5,288	15,925	15,895
Affiliate management fee revenue | Operating Segments [Member] | Refined Products Segment [Member]
Segment Reporting Information [Line Items]
Revenues	1,643	1,579	4,802	4,676
Affiliate management fee revenue | Operating Segments [Member] | Crude Oil Pipeline and Terminals Segment [Member]
Segment Reporting Information [Line Items]
Revenues	3,686	3,709	11,123	11,219
Affiliate management fee revenue | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	$ 0	$ 0	$ 0	$ 0

Revenue (Narrative) (Details)

Revenue (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021
Revenue from Contract with Customer [Abstract]
Deferred Revenue, Revenue Recognized	$ 2.9	$ 76.7

Revenue (Disaggregation of Reve

Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 639,054	$ 576,448	$ 1,923,771	$ 1,764,239
Lease revenue	(24,406)	(24,456)	(68,765)	(74,489)
(Gains) losses from futures contracts included in product sales revenue	29,626	7,444	122,760	(81,626)
Affiliate management fee revenue	(5,329)	(5,288)	(15,925)	(15,895)
Total revenue from contracts with customers under ASC 606	638,945	554,148	1,961,841	1,592,229
Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenue	464,910	459,940	1,332,271	1,305,217
Product sales revenue
Disaggregation of Revenue [Line Items]
Revenue	168,815	111,220	575,575	443,127
Affiliate management fee revenue
Disaggregation of Revenue [Line Items]
Revenue	5,329	5,288	15,925	15,895
Operating Segments [Member] | Refined Products Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	504,425	414,824	1,477,248	1,304,025
Lease revenue	(4,804)	(5,315)	(12,946)	(17,247)
(Gains) losses from futures contracts included in product sales revenue	26,992	6,560	108,595	(82,109)
Affiliate management fee revenue	(1,643)	(1,579)	(4,802)	(4,676)
Total revenue from contracts with customers under ASC 606	524,970	414,490	1,568,095	1,199,993
Operating Segments [Member] | Crude Oil Pipeline and Terminals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	136,069	163,554	450,964	465,307
Lease revenue	(19,602)	(19,141)	(55,819)	(57,242)
(Gains) losses from futures contracts included in product sales revenue	2,634	884	14,165	483
Affiliate management fee revenue	(3,686)	(3,709)	(11,123)	(11,219)
Total revenue from contracts with customers under ASC 606	115,415	141,588	398,187	397,329
Operating Segments [Member] | Transportation and terminals revenue | Refined Products Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	349,430	307,218	984,895	876,363
Operating Segments [Member] | Transportation and terminals revenue | Crude Oil Pipeline and Terminals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	116,920	154,652	351,817	433,947
Operating Segments [Member] | Product sales revenue | Refined Products Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	153,352	106,027	487,551	422,986
Operating Segments [Member] | Product sales revenue | Crude Oil Pipeline and Terminals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	15,463	5,193	88,024	20,141
Operating Segments [Member] | Affiliate management fee revenue | Refined Products Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,643	1,579	4,802	4,676
Operating Segments [Member] | Affiliate management fee revenue | Crude Oil Pipeline and Terminals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,686	3,709	11,123	11,219
Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Revenue	(1,440)	(1,930)	(4,441)	(5,093)
Lease revenue	0	0	0	0
(Gains) losses from futures contracts included in product sales revenue	0	0	0	0
Affiliate management fee revenue	0	0	0	0
Total revenue from contracts with customers under ASC 606	(1,440)	(1,930)	(4,441)	(5,093)
Intersegment Eliminations [Member] | Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenue	(1,440)	(1,930)	(4,441)	(5,093)
Intersegment Eliminations [Member] | Product sales revenue
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Intersegment Eliminations [Member] | Affiliate management fee revenue
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Transferred over Time [Member] | Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenue	464,910	459,940	1,332,271	1,305,217
Transferred over Time [Member] | Transportation [Member]
Disaggregation of Revenue [Line Items]
Revenue	299,857	282,350	840,070	777,606
Transferred over Time [Member] | Terminalling [Member]
Disaggregation of Revenue [Line Items]
Revenue	29,748	36,301	86,838	102,740
Transferred over Time [Member] | Storage [Member]
Disaggregation of Revenue [Line Items]
Revenue	69,075	80,050	218,734	244,196
Transferred over Time [Member] | Ancillary Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	41,824	36,783	117,864	106,186
Transferred over Time [Member] | Lease Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	24,406	24,456	68,765	74,489
Transferred over Time [Member] | Operating Segments [Member] | Transportation and terminals revenue | Refined Products Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	349,430	307,218	984,895	876,363
Transferred over Time [Member] | Operating Segments [Member] | Transportation and terminals revenue | Crude Oil Pipeline and Terminals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	116,920	154,652	351,817	433,947
Transferred over Time [Member] | Operating Segments [Member] | Transportation [Member] | Refined Products Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	241,685	192,194	667,148	533,451
Transferred over Time [Member] | Operating Segments [Member] | Transportation [Member] | Crude Oil Pipeline and Terminals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	58,172	90,156	172,922	244,155
Transferred over Time [Member] | Operating Segments [Member] | Terminalling [Member] | Refined Products Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	26,468	30,650	74,223	88,038
Transferred over Time [Member] | Operating Segments [Member] | Terminalling [Member] | Crude Oil Pipeline and Terminals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,280	5,651	12,615	14,702
Transferred over Time [Member] | Operating Segments [Member] | Storage [Member] | Refined Products Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	42,316	49,104	135,938	152,186
Transferred over Time [Member] | Operating Segments [Member] | Storage [Member] | Crude Oil Pipeline and Terminals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	28,199	32,876	87,237	97,103
Transferred over Time [Member] | Operating Segments [Member] | Ancillary Services [Member] | Refined Products Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	34,157	29,955	94,640	85,441
Transferred over Time [Member] | Operating Segments [Member] | Ancillary Services [Member] | Crude Oil Pipeline and Terminals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	7,667	6,828	23,224	20,745
Transferred over Time [Member] | Operating Segments [Member] | Lease Revenue [Member] | Refined Products Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,804	5,315	12,946	17,247
Transferred over Time [Member] | Operating Segments [Member] | Lease Revenue [Member] | Crude Oil Pipeline and Terminals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	19,602	19,141	55,819	57,242
Transferred over Time [Member] | Intersegment Eliminations [Member] | Transportation and terminals revenue
Disaggregation of Revenue [Line Items]
Revenue	(1,440)	(1,930)	(4,441)	(5,093)
Transferred over Time [Member] | Intersegment Eliminations [Member] | Transportation [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0		0
Transferred over Time [Member] | Intersegment Eliminations [Member] | Terminalling [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0		0
Transferred over Time [Member] | Intersegment Eliminations [Member] | Storage [Member]
Disaggregation of Revenue [Line Items]
Revenue	(1,440)	(1,930)	(4,441)	(5,093)
Transferred over Time [Member] | Intersegment Eliminations [Member] | Ancillary Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0		0
Transferred over Time [Member] | Intersegment Eliminations [Member] | Lease Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0		0
Transferred at Point in Time [Member] | Product sales revenue
Disaggregation of Revenue [Line Items]
Revenue	168,815	111,220	575,575	443,127
Transferred at Point in Time [Member] | Operating Segments [Member] | Product sales revenue | Refined Products Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	153,352	106,027	487,551	422,986
Transferred at Point in Time [Member] | Operating Segments [Member] | Product sales revenue | Crude Oil Pipeline and Terminals Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	15,463	5,193	88,024	20,141
Transferred at Point in Time [Member] | Intersegment Eliminations [Member] | Product sales revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0	$ 0	$ 0

Revenue (Assets and Liabilities

Revenue (Assets and Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Revenue from Contract with Customer [Abstract]
Billed Contracts Receivable	$ 132,586	$ 103,275
Contract with Customer, Asset, after Allowance for Credit Loss	12,284	12,220
Contract with Customer, Liability	$ 106,879	$ 102,702

Revenue (Performance Obligation

Revenue (Performance Obligations in Next 12 Months) (Details) $ in Thousands	Sep. 30, 2021USD ($)
Segment Reporting Information [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 3,048,883
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01
Segment Reporting Information [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 629,181
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	12 months
Refined Products Segment [Member]
Segment Reporting Information [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 1,937,717
Refined Products Segment [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01
Segment Reporting Information [Line Items]
Revenue, Remaining Performance Obligation, Amount	365,383
Crude Oil Pipeline and Terminals Segment [Member]
Segment Reporting Information [Line Items]
Revenue, Remaining Performance Obligation, Amount	1,111,166
Crude Oil Pipeline and Terminals Segment [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01
Segment Reporting Information [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 263,798
Minimum [Member] | Refined Products Segment [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01
Segment Reporting Information [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Minimum [Member] | Crude Oil Pipeline and Terminals Segment [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01
Segment Reporting Information [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Maximum [Member] | Refined Products Segment [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01
Segment Reporting Information [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	17 years
Maximum [Member] | Crude Oil Pipeline and Terminals Segment [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-04-01
Segment Reporting Information [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	10 years

Investments in Non-Controlled_3

Investments in Non-Controlled Entities (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	May 01, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Proceeds from Sale of Productive Assets				$ 271,964	$ 334,583
Gain on disposition of assets		$ 3,231	$ 0	72,933	12,887
Revenues		639,054	576,448	1,923,771	1,764,239
Operating		146,556	157,716	422,907	446,102
Other operating income (expense)		2,591	(2,863)	4,033	539
Trade accounts receivable		134,281		134,281			$ 103,568
Other accounts receivable		33,735		33,735			37,075
Change in Equity Method Investments [Roll Forward]
Investments, Beginning Balance				1,213,856
Additional investment				5,616
Sale of ownership interest in MVP				(201,673)
Proportionate share of earnings				117,413
Amortization of excess investment and capitalized interest				(1,306)
Earnings of non-controlled entities		36,466	39,135	116,107	116,484
Distributions from operations of non-controlled entities				140,616	152,645
Investments, Ending Balance		993,290		993,290
Transportation and terminals revenue
Schedule of Equity Method Investments [Line Items]
Revenues		464,910	459,940	1,332,271	1,305,217
Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Related Party Transaction, Other Revenues from Transactions with Related Party		$ 900	700	$ 2,100	2,900
BridgeTex [Member]
Schedule of Equity Method Investments [Line Items]
Interest in equity method investment		30.00%		30.00%
BridgeTex [Member] | Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Trade accounts receivable		$ 2,310		$ 2,310			355
Other accounts receivable		15		15			27
Other Accounts Payable		0		0			970
BridgeTex [Member] | Equity Method Investee [Member] | Transportation and terminals revenue
Schedule of Equity Method Investments [Line Items]
Revenues		$ 10,669	9,323	$ 34,367	32,748
Double Eagle Pipeline Llc [Member]
Schedule of Equity Method Investments [Line Items]
Interest in equity method investment		50.00%		50.00%
Double Eagle Pipeline Llc [Member] | Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Trade accounts receivable		$ 213		$ 213			277
Double Eagle Pipeline Llc [Member] | Equity Method Investee [Member] | Transportation and terminals revenue
Schedule of Equity Method Investments [Line Items]
Revenues		$ 631	995	$ 2,464	4,016
HoustonLink Pipeline Company LLC [Member]
Schedule of Equity Method Investments [Line Items]
Interest in equity method investment		50.00%		50.00%
HoustonLink Pipeline Company LLC [Member] | Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Other Accounts Payable		$ 96		$ 96			144
MVP Terminalling, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Proceeds from Sale of Productive Assets	$ 272,100
Gain on disposition of assets		$ 70,400
Interest in equity method investment		25.00%		25.00%		25.00%
MVP Terminalling, LLC [Member] | Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Other accounts receivable		$ 542		$ 542			467
Other Accounts Payable		$ 0		$ 0			2,297
Powder Springs Logistics, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Interest in equity method investment		50.00%		50.00%
Powder Springs Logistics, LLC [Member] | Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Trade accounts receivable		$ 8		$ 8
Other accounts receivable		0		0
Long-term receivables		$ 12,429		$ 12,429			10,223
Saddlehorn Pipeline Company [Member]
Schedule of Equity Method Investments [Line Items]
Interest in equity method investment		30.00%		30.00%
Saddlehorn Pipeline Company [Member] | Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Other accounts receivable		$ 187		$ 187			121
Saddlehorn Pipeline Company [Member] | Equity Method Investee [Member] | Transportation and terminals revenue
Schedule of Equity Method Investments [Line Items]
Revenues		$ 594	580	$ 1,753	1,711
Seabrook Logistics, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Interest in equity method investment		50.00%		50.00%
Seabrook Logistics, LLC [Member] | Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Operating		$ 4,477	7,175	$ 15,336	21,553
Other operating income (expense)		0	$ 0	434	$ 1,410
Other accounts receivable		11		11
Other Accounts Payable		$ 810		$ 810			$ 7,274
Texas Frontera Llc [Member]
Schedule of Equity Method Investments [Line Items]
Interest in equity method investment		50.00%		50.00%

Inventory (Details)

Inventory (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Refined products	$ 86,362	$ 71,982
Crude oil	28,269	32,431
Liquefied petroleum gases	54,604	25,040
Transmix	47,978	23,397
Additives	5,354	5,354
Total inventory	$ 222,567	$ 158,204

Debt (Consolidated Debt) (Detai

Debt (Consolidated Debt) (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 5,123,000,000	$ 5,000,000,000
Unamortized debt issuance costs	(38,419,000)	(40,143,000)
Net unamortized premium	18,645,000	18,834,000
Long-term debt, net	5,103,226,000	4,978,691,000
Commercial Paper [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 123,000,000	0
3.20% Notes Due 2025 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.20%
Debt Instrument, Face Amount	$ 250,000,000	250,000,000
5.00% Notes Due 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Debt Instrument, Face Amount	$ 650,000,000	650,000,000
3.25% Notes Due 2030 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.25%
Debt Instrument, Face Amount	$ 500,000,000	500,000,000
6.40% Notes Due 2037 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.40%
Debt Instrument, Face Amount	$ 250,000,000	250,000,000
4.20% Notes Due 2042 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.20%
Debt Instrument, Face Amount	$ 250,000,000	250,000,000
5.15% Notes Due 2043 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.15%
Debt Instrument, Face Amount	$ 550,000,000	550,000,000
4.20% Notes Due 2045 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.20%
Debt Instrument, Face Amount	$ 250,000,000	250,000,000
4.25% Notes Due 2046 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.25%
Debt Instrument, Face Amount	$ 500,000,000	500,000,000
4.20% Notes Due 2047 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.20%
Debt Instrument, Face Amount	$ 500,000,000	500,000,000
4.85% Notes Due 2049 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.85%
Debt Instrument, Face Amount	$ 500,000,000	500,000,000
3.95% Notes Due 2050 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.95%
Debt Instrument, Face Amount	$ 800,000,000	$ 800,000,000

Debt (Narrative) (Details)

Debt (Narrative) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 5,123,000,000	$ 5,000,000,000
Commercial Paper [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	123,000,000	0
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,000,000,000
Debt, Weighted Average Interest Rate	0.20%
Commercial Paper [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	397 days
Senior Notes [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,000,000,000
Unused commitment fee	0.125%
Long term debt	$ 0	0
Obligation for letters of credit	$ 3,500,000	$ 3,500,000
Senior Notes [Member] | Revolving Credit Facility [Member] | Minimum [Member]
Debt Instrument [Line Items]
Unused commitment fee	0.075%
Senior Notes [Member] | Revolving Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
Unused commitment fee	0.20%
London Interbank Offered Rate (LIBOR) [Member] | Senior Notes [Member] | Revolving Credit Facility [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.875%
London Interbank Offered Rate (LIBOR) [Member] | Senior Notes [Member] | Revolving Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.50%

Leases Operating Lease, Other D

Leases Operating Lease, Other Disclosure (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Related Party Transaction [Line Items]
Total lease expense	$ 10,609	$ 13,649	$ 35,413	$ 39,726
Current lease liability	25,618		25,618		$ 27,533
Long-term lease liability	151,650		151,650		137,483
Right-of-use asset	180,470		180,470		166,078
N/A [Member]
Related Party Transaction [Line Items]
Total lease expense	6,321	6,474	20,266	18,173
Current lease liability	17,733		17,733		17,099
Long-term lease liability	105,095		105,095		84,982
Right-of-use asset	126,029		126,029		103,142
Seabrook Logistics, LLC [Member] | Equity Method Investee [Member]
Related Party Transaction [Line Items]
Total lease expense	4,288	$ 7,175	15,147	$ 21,553
Current lease liability	7,885		7,885		10,434
Long-term lease liability	46,555		46,555		52,501
Right-of-use asset	$ 54,441		$ 54,441		$ 62,936

Employee Benefit Plans (Narrati

Employee Benefit Plans (Narrative) (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021USD ($)pension_plan	Sep. 30, 2020USD ($)	Sep. 30, 2021USD ($)pension_plan	Sep. 30, 2020USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Contribution Plan, Cost | $	$ 2.7	$ 2.8	$ 8.1	$ 9.7
Number Of Sponsored Pension Plans | pension_plan	2		2
Number Of Sponsored Pension Plans, Non-Union Employees | pension_plan	1		1
Number Of Sponsored Pension Plans, Union Employees | pension_plan	1		1
Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | $	$ 27.6		$ 27.6
Other Postretirement Benefits Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | $	$ 0.9		$ 0.9

Employee Benefit Plans - Schedu

Employee Benefit Plans - Schedule Of Consolidated Net Periodic Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Pension Plan [Member]
Components of net periodic benefit costs:
Service cost	$ 6,953	$ 6,898	$ 21,269	$ 20,836
Interest cost	2,395	2,738	7,078	8,251
Expected return on plan assets	(2,960)	(2,829)	(8,927)	(8,524)
Amortization of prior service credit	(46)	(46)	(136)	(136)
Amortization of actuarial loss	1,273	1,346	4,058	4,080
Settlement cost	1,300	0	2,751	969
Settlement gain on disposition of assets			0	(1,342)
Net periodic benefit cost	8,915	8,107	26,093	24,134
Other Postretirement Benefits Plan [Member]
Components of net periodic benefit costs:
Service cost	75	64	225	193
Interest cost	103	121	310	360
Expected return on plan assets	0	0	0	0
Amortization of prior service credit	0	0	0	0
Amortization of actuarial loss	160	127	478	382
Settlement cost	0	0	0	0
Settlement gain on disposition of assets			0	0
Net periodic benefit cost	$ 338	$ 312	$ 1,013	$ 935

Employee Benefit Plans Schedule

Employee Benefit Plans Schedule of Amounts Recognized in Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Changes in AOCL [Roll Forward]
Beginning balance	$ 2,285,789	$ 2,454,738	$ 2,303,806	$ 2,715,028
Net actuarial gain (loss)	0	0	10,801	(333)
Curtailment gain	0	0	0	1,703
Recognition of prior service credit amortization in income	(46)	(46)	(136)	(136)
Recognition of actuarial loss amortization in income	1,433	1,473	4,536	4,462
Recognition of settlement cost in income	1,300	0	2,751	969
Ending balance	1,913,953	2,388,444	1,913,953	2,388,444
Pension Plan [Member]
Changes in AOCL [Roll Forward]
Net actuarial gain (loss)			12,366	813
Curtailment gain			0	1,703
Recognition of prior service credit amortization in income	(46)	(46)	(136)	(136)
Recognition of actuarial loss amortization in income	1,273	1,346	4,058	4,080
Recognition of settlement cost in income	1,300	0	2,751	969
Other Postretirement Benefits Plan [Member]
Changes in AOCL [Roll Forward]
Net actuarial gain (loss)			(1,565)	(1,146)
Curtailment gain			0	0
Recognition of prior service credit amortization in income	0	0	0	0
Recognition of actuarial loss amortization in income	160	127	478	382
Recognition of settlement cost in income	0	0	0	0
Accumulated Other Comprehensive Loss | Pension Plan [Member]
Changes in AOCL [Roll Forward]
Beginning balance	(101,270)	(98,610)	(117,782)	(104,739)
Ending balance	(98,743)	(97,310)	(98,743)	(97,310)
Accumulated Other Comprehensive Loss | Other Postretirement Benefits Plan [Member]
Changes in AOCL [Roll Forward]
Beginning balance	(11,656)	(9,269)	(10,409)	(8,378)
Ending balance	$ (11,496)	$ (9,142)	$ (11,496)	$ (9,142)

Long-Term Incentive Plan (Narra

Long-Term Incentive Plan (Narrative) (Details) - shares	Feb. 05, 2021	Sep. 30, 2021	Jun. 30, 2021	Apr. 30, 2021
Share-based Payment Arrangement [Abstract]
Limited partners' capital account, units authorized for issuance (in shares)			11,900,000	13,700,000
Limited partner unitholders, units remaining available (in shares)		2,400,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	558,516
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years

Long-Term Incentive Plan (Equit

Long-Term Incentive Plan (Equity-Based Incentive Compensation Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangements by Share-based Payment Award [Line Items]
Allocation of LTIP expense on consolidated statements of income	$ 5,626	$ 1,169	$ 15,686	$ 5,580
Performance Based Awards [Member]
Share-based Compensation Arrangements by Share-based Payment Award [Line Items]
Allocation of LTIP expense on consolidated statements of income	3,053	(1,121)	7,923	(1,247)
Time-Based Awards [Member]
Share-based Compensation Arrangements by Share-based Payment Award [Line Items]
Allocation of LTIP expense on consolidated statements of income	$ 2,573	$ 2,290	$ 7,763	$ 6,827

Derivative Financial Instrume_3

Derivative Financial Instruments (Narrative) (Details) $ in Thousands	Sep. 30, 2021USD ($)bbl	Dec. 31, 2020USD ($)
Derivative [Line Items]
Good Faith and Margin Deposits with Broker-Dealers	$ 47,609	$ 34,165
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	$ (3,500)
Energy Related Derivative [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	30,000
Derivative Liability	$ 3,100	$ 10,200

Derivative Financial Instrume_4

Derivative Financial Instruments (Schedule Of NYMEX Contracts And Butane Price Swap Purchase Agreements) (Details) bbl in Millions	Sep. 30, 2021bbl
Economic Hedges [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	4.9
Economic Hedges Futures [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	1.2

Derivative Financial Instrume_5

Derivative Financial Instruments (Schedule of Derivative Offset Amounts) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Derivative [Line Items]
Commodity derivatives deposits	$ 47,609	$ 34,165
Exchange Traded [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability	(44,605)	(21,748)
Derivative Asset, Fair Value, Gross Asset	22,325	1,201
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	(22,280)	(20,547)
Commodity derivatives deposits	47,609	34,165
Amount After Offset	$ 25,329	$ 13,618

Derivative Financial Instrume_6

Derivative Financial Instruments (Derivative Gains Included In Accumulated Other Comprehensive Loss (AOCL) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative Gains Included in AOCI [Roll Forward]
Beginning balance	$ 2,285,789	$ 2,454,738	$ 2,303,806	$ 2,715,028
Net gain (loss) on cash flow hedges	0	0	0	(10,444)
Reclassification of net loss (gain) on cash flow hedges to income	887	896	2,662	2,552
Ending balance	1,913,953	2,388,444	1,913,953	2,388,444
Derivative Losses Included in AOCL
Derivative Gains Included in AOCI [Roll Forward]
Beginning balance	(53,224)	(57,748)	(54,999)	(48,960)
Ending balance	$ (52,337)	$ (56,852)	$ (52,337)	$ (56,852)

Derivative Financial Instrume_7

Derivative Financial Instruments (Derivatives And Hedging-Cash Flow Hedges) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) on cash flow hedges	$ 0	$ 0	$ 0	$ (10,444)
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	(887)	(896)	(2,662)	(2,552)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) on cash flow hedges	0	0	0	(10,444)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Contract [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	$ (887)	$ (896)	$ (2,662)	$ (2,552)

Derivative Financial Instrume_8

Derivative Financial Instruments (Derivatives And Hedging-Overall-Subsequent Measurement) (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (12,025)	$ (9,338)	$ (99,479)	$ 76,216
Commodity Contract [Member] | Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(29,626)	(7,444)	(122,760)	81,626
Commodity Contract [Member] | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	19,303	1,261	26,910	(2,756)
Energy Related Derivative [Member] | Other Operating Income (Expense) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ (1,702)	$ (3,155)	$ (3,629)	$ (2,654)

Derivative Financial Instrume_9

Derivative Financial Instruments (Derivatives and Hedging - Designated) (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 22,325	$ 1,201
Derivative Liability, Fair Value, Gross Liability	47,725	31,990
Commodity Contract [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	22,325	127
Commodity Contract [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	40,206	21,748
Commodity Contract [Member] | Other Noncurrent Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	1,074
Commodity Contract [Member] | Other Noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	4,399	0
Energy Related Derivative [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	0	0
Energy Related Derivative [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	$ 3,120	8,774
Energy Related Derivative [Member] | Other Noncurrent Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset		0
Energy Related Derivative [Member] | Other Noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability		$ 1,468

Fair Value Fair Value (Narrativ

Fair Value Fair Value (Narrative) (Details)	3 Months Ended
	Sep. 30, 2021bblTerminal	Mar. 31, 2020Terminal
Derivative [Line Items]
Number Of Marine Terminals Sold | Terminal	3	3
Energy Related Derivative [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | bbl	30,000

Fair Value (Schedule Of Carryin

Fair Value (Schedule Of Carrying Amounts And Fair Values Of Financial Assets/Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Energy Related Derivative [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability	$ (3,100)	$ (10,200)
Fair Value, Inputs, Level 1 [Member] | Commodity Contract [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability	(22,280)	(20,547)
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	(5,786,692)	(5,880,850)
Fair Value, Inputs, Level 2 [Member] | Energy Related Derivative [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability	(3,120)	(10,242)
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term receivables	22,768	22,755
Guarantees, Fair Value Disclosure	(9,806)	(11,207)
Reported Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term receivables	22,768	22,755
Guarantees, Fair Value Disclosure	(9,806)	(11,207)
Debt	(5,103,226)	(4,978,691)
Reported Value Measurement [Member] | Commodity Contract [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability	(22,280)	(20,547)
Reported Value Measurement [Member] | Energy Related Derivative [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability	(3,120)	(10,242)
Estimate of Fair Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term receivables	22,768	22,755
Guarantees, Fair Value Disclosure	(9,806)	(11,207)
Debt	(5,786,692)	(5,880,850)
Estimate of Fair Value Measurement [Member] | Commodity Contract [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability	(22,280)	(20,547)
Estimate of Fair Value Measurement [Member] | Energy Related Derivative [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability	$ (3,120)	$ (10,242)

Commitments and Contingencies (

Commitments and Contingencies (Details) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2021USD ($)Terminal	Sep. 30, 2020USD ($)	Mar. 31, 2020Terminal	Sep. 30, 2021USD ($)	Sep. 30, 2020USD ($)	Dec. 31, 2020USD ($)	Oct. 04, 2017facility
Loss Contingencies [Line Items]
Liabilities recognized for estimated environmental costs	$ 11.8			$ 11.8		$ 14.3
Environmental expenses	$ 0.4	$ 0.1		2.4	$ 1.3
Number Of Marine Terminals Sold | Terminal	3		3
Performance Guarantee [Member] | Other Current Liabilities [Member]
Loss Contingencies [Line Items]
Guarantees, Fair Value Disclosure	$ 0.5			0.5		0.6
Performance Guarantee [Member] | Other Noncurrent Liabilities [Member]
Loss Contingencies [Line Items]
Guarantees, Fair Value Disclosure	$ 8.9			$ 8.9		$ 10.2
Powder Springs Logistics, LLC [Member]
Loss Contingencies [Line Items]
Interest in equity method investment	50.00%			50.00%
Powder Springs Logistics, LLC [Member] | Guarantee of Indebtedness of Others [Member] | Equity Method Investee [Member]
Loss Contingencies [Line Items]
Guarantees, Fair Value Disclosure	$ 0.4			$ 0.4
Interest in equity method investment	50.00%			50.00%
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 25			$ 25
Pending Litigation [Member] | Unfavorable Regulatory Action [Member]
Loss Contingencies [Line Items]
Loss Contingency, Alleged Patent Infringement, Number Of Facilities | facility							9

Related Party Transactions (Det

Related Party Transactions (Details) - Director [Member] - Methvin Company [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Related Party Transaction [Line Items]
Related Party Transaction, Other Revenues from Transactions with Related Party	$ 23.2	$ 8.6	$ 51.6	$ 24.3
Accounts Receivable, Related Parties, Current	$ 2.3		$ 2.3		$ 3.9

Partners' Capital and Distrib_3

Partners' Capital and Distributions (Narrative) (Details) - USD ($)	Sep. 30, 2021	Jan. 31, 2020
Partners' Capital [Abstract]
Stock Repurchase Program, Authorized Amount	$ 750,000,000	$ 750,000,000

Partners' Capital and Distrib_4

Partners' Capital and Distributions (Schedule of Capital Units) (Details)	9 Months Ended
	Sep. 30, 2021shares
Increase (Decrease) in Partners' Capital [Roll Forward]
Limited partner units outstanding, beginning balance (in shares)	223,119,811
Stock Repurchased During Period, Shares	(9,837,580)
Limited partner units outstanding, ending balance (in shares)	213,445,238
Management [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
During 2021–Other (in shares)	150,435
Director [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
During 2021–Other (in shares)	12,572

Partners' Capital and Distrib_5

Partners' Capital and Distributions (Schedule Of Distributions) (Details) - USD ($) $ / shares in Units, $ in Thousands	Nov. 12, 2021	Aug. 13, 2021	May 14, 2021	Feb. 12, 2021	Nov. 13, 2020	Aug. 14, 2020	May 15, 2020	Feb. 14, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020
Distribution Made to Limited Partner [Line Items]
Cash distribution per unit (in dollars per share)		$ 1.0275	$ 1.0275	$ 1.0275	$ 1.0275	$ 1.0275	$ 1.0275	$ 1.0275	$ 3.0825	$ 3.0825		$ 4.1100
Total Cash Distribution to Limited Partners		$ 226,633	$ 228,962	$ 229,423	$ 229,853	$ 231,245	$ 231,245	$ 234,774	$ 685,018	$ 697,264		$ 927,117
Scenario, Forecast
Distribution Made to Limited Partner [Line Items]
Cash distribution per unit (in dollars per share)	$ 1.0375										$ 4.1200
Total Cash Distribution to Limited Partners	$ 221,449										$ 906,467

Subsequent Events (Details)

Subsequent Events (Details) - USD ($)

1 Months Ended

Oct. 31, 2021

Dec. 31, 2021

Nov. 12, 2021

Sep. 30, 2021

Aug. 13, 2021

May 14, 2021

Feb. 12, 2021

Dec. 31, 2020

Nov. 13, 2020

Sep. 30, 2020

Aug. 14, 2020

May 15, 2020

Feb. 14, 2020

Jan. 31, 2020

Subsequent Event [Line Items]

Cash distribution per unit (in dollars per share)

$ 3.0825

$ 1.0275

$ 1.0275

$ 1.0275

$ 4.1100

$ 1.0275

$ 3.0825

$ 1.0275

$ 1.0275

$ 1.0275

Stock Repurchase Program, Authorized Amount

$ 750,000,000

$ 750,000,000

Scenario, Forecast

Subsequent Event [Line Items]

Cash distribution per unit (in dollars per share)

$ 4.1200

$ 1.0375

Subsequent Event

Subsequent Event [Line Items]

Stock Repurchase Program, Authorized Amount

$ 1,500,000,000

Stock Repurchase Program, Additional Authorized Amount

$ 750,000,000

Subsequent Event | Scenario, Forecast

Subsequent Event [Line Items]

Cash distribution per unit (in dollars per share)

$ 1.0375