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Estimates, Significant Accounting Policies and Balance Sheet Detail (Tables)
 12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Schedule Of Net Changes In Operating Assets And Liabilities Included Cash Flows From Operating Activities
The net change in operating assets and liabilities (net of effects of acquisitions) included in cash flows from operating activities is comprised as follows:
 Years Ended December 31,
 202120202019
Accounts receivable$(3,356)$1,163 $(473)
Accounts receivable from related companies38 (290)(69)
Inventories(19)(271)(19)
Other current assets(216)172 117 
Other non-current assets, net1 (7)(102)
Accounts payable3,834 (1,327)146 
Accounts payable to related companies(34)367 (32)
Accrued and other current liabilities238 163 (44)
Other non-current liabilities117 8 (133)
Derivative assets and liabilities, net(88)69 218 
Net change in operating assets and liabilities, net of effects of acquisitions$515 $47 $(391)
Schedule Of Non-Cash Investing And Financing Activities
Non-cash investing and financing activities and supplemental cash flow information are as follows:
 Years Ended December 31,
 202120202019
NON-CASH INVESTING ACTIVITIES:
Accrued capital expenditures$464 $604 $1,334 
Units issued in connection with the Enable Acquisition(1)
3,509 — — 
Lease assets obtained in exchange for new lease liabilities18 42 68 
Acquisition of interest in unconsolidated affiliate49 — — 
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest, net of interest capitalized$2,188 $2,092 $1,932 
Cash paid for income taxes (net of refunds)41 (64)31 
(1)See Note 3 for additional information.
Schedule of Inventory
The Partnership’s inventories consisted of the following:
 December 31,
 20212020
Natural gas, NGLs and refined products$1,259 $1,013 
Crude oil328 287 
Spare parts and other427 439 
Total inventories$2,014 $1,739 
Other Current Assets
Other current assets consisted of the following:
 December 31,
 20212020
Deposits paid to vendors$215 $75 
Prepaid expenses and other222 138 
Total other current assets$437 $213 
Property, Plant and Equipment
Components and useful lives of property, plant and equipment were as follows:
 December 31,
 20212020
Land and improvements$1,369 $1,233 
Buildings and improvements (1 to 45 years)4,598 4,236 
Pipelines and equipment (5 to 83 years)77,112 69,120 
Product storage and related facilities (2 to 83 years)7,410 6,393 
Right of way (20 to 83 years)5,021 5,099 
Other (1 to 48 years)2,816 2,263 
Construction work-in-process
5,665 5,771 
103,991 94,115 
Less – Accumulated depreciation and depletion(22,384)(19,008)
Property, plant and equipment, net$81,607 $75,107 
Schedule Of Property, Plant And Equipment Depreciation And Capitalized Interest Expense
We recognized the following amounts for the periods presented:
 Years Ended December 31,
 202120202019
Depreciation, depletion and amortization expense$3,465 $3,275 $2,839 
Capitalized interest135 189 166 
Schedule of Other Non-Current Assets, net
Other non-current assets, net are stated at cost less accumulated amortization. Other non-current assets, net consisted of the following:
December 31,
20212020
Crude pipeline linefill and tank bottoms$498 $517 
Regulatory assets42 41 
Pension assets140 103 
Deferred charges177 188 
Restricted funds164 179 
Other624 629 
Total other non-current assets, net$1,645 $1,657 
Restricted funds include an immaterial amount of restricted cash primarily held in our wholly-owned captive insurance companies.
Components And Useful Lives Of Intangibles And Other Assets
Components and useful lives of intangible assets were as follows: 
 December 31, 2021December 31, 2020
Gross Carrying
Amount		Accumulated
Amortization		Gross Carrying
Amount		Accumulated
Amortization
Amortizable intangible assets:
Customer relationships, contracts and agreements (3 to 46 years)$7,982 $(2,464)$7,513 $(2,117)
Patents (10 years)48 (44)48 (40)
Trade names (20 years)66 (38)66 (35)
Other (5 to 20 years)19 (20)19 (15)
Total amortizable intangible assets8,115 (2,566)7,646 (2,207)
Non-amortizable intangible assets:
Trademarks295 — 295 — 
Other12 — 12 — 
Total non-amortizable intangible assets307 — 307 — 
Total intangible assets$8,422 $(2,566)$7,953 $(2,207)
Aggregate Amortization Expense Of Intangibles And Other Assets
Aggregate amortization expense of intangible assets was as follows:
Years Ended December 31,
202120202019
Reported in depreciation, depletion and amortization expense$352 $403 $308 
Estimated Aggregate Amortization Expense
Estimated aggregate amortization of intangible assets for the next five years is as follows:
Years Ending December 31: 
2022$379 
2023362 
2024348 
2025335 
2026331 
Schedule of Goodwill
Changes in the carrying amount of goodwill were as follows:
Intrastate
Transportation
and Storage		Interstate
Transportation and Storage		MidstreamNGL and Refined Products Transportation and ServicesCrude Oil Transportation and ServicesInvestment in Sunoco LPInvestment in USACAll OtherTotal
Balance, December 31, 2019$10 $226 $483 $693 $1,397 $1,555 $619 $184 $5,167 
Acquired
— — — — — 9 — — 9 
Impaired
(10)(226)(483)— (1,279)— (619)(198)(2,815)
Other
— — — — (66)— — 96 30 
Balance, December 31, 2020— — — 693 52 1,564 — 82 2,391 
Acquired
— — — — 138 4 — — 142 
Balance, December 31, 2021$— $— $— $693 $190 $1,568 $— $82 $2,533 
Accrued and Other Current Liabilities
Accrued and other current liabilities consisted of the following:
 December 31,
 20212020
Interest payable$561 $600 
Customer advances and deposits188 161 
Accrued capital expenditures461 604 
Accrued wages and benefits297 109 
Taxes payable other than income taxes384 446 
Exchanges payable155 127 
Deferred revenue158 112 
Other867 616 
Total accrued and other current liabilities$3,071 $2,775 
Schedule of Derivative Assets at Fair Value
The following tables summarize the fair value of our financial assets and liabilities measured and recorded at fair value on a recurring basis as of December 31, 2021 and 2020 based on inputs used to derive their fair values:
Fair Value TotalFair Value Measurements at December 31, 2021
Level 1Level 2
Assets:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX$7 $7 $— 
Swing Swaps IFERC38 38 — 
Fixed Swaps/Futures26 26 — 
Forward Physical Contracts7 — 7 
Power:
Forwards17 — 17 
Futures6 6 — 
NGLs – Forwards/Swaps152 152 — 
Refined Products – Futures3 3 — 
Crude – Forwards/Swaps16 16 — 
Total commodity derivatives272 248 24 
Other non-current assets39 26 13 
Total assets$311 $274 $37 
Liabilities:
Interest rate derivatives$(387)$— $(387)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX(10)(10)— 
Swing Swaps IFERC(6)(6)— 
Fixed Swaps/Futures(9)(9)— 
Forward Physical Contracts(6)— (6)
Power:
Forwards(15)— (15)
Futures(4)(4)— 
NGLs – Forwards/Swaps(140)(140)— 
Refined Products – Futures(18)(18)— 
Crude – Forwards/Swaps(3)(3)— 
Total commodity derivatives(211)(190)(21)
Total liabilities$(598)$(190)$(408)
Fair Value TotalFair Value Measurements at December 31, 2020
Level 1Level 2
Assets:
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX$12 $12 $— 
Swing Swaps IFERC1 — 1 
Fixed Swaps/Futures13 13 — 
Forward Physical Contracts5 — 5 
Power:
Power – Forwards4 — 4 
Futures2 2 — 
Options – Calls1 1 — 
NGLs – Forwards/Swaps127 127 — 
Refined Products – Futures3 3 — 
Total commodity derivatives168 158 10 
Other non-current assets34 22 12 
Total assets$202 $180 $22 
Liabilities:
Interest rate derivatives$(448)$— $(448)
Commodity derivatives:
Natural Gas:
Basis Swaps IFERC/NYMEX(11)(11)— 
Swing Swaps IFERC(3)— (3)
Fixed Swaps/Futures(13)(13)— 
Forward Physical Contracts(1)— (1)
Power:
Futures(3)(3)— 
NGLs – Forwards/Swaps(227)(227)— 
Refined Products – Futures(11)(11)— 
Total commodity derivatives(269)(265)(4)
Total liabilities$(717)$(265)$(452)