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Revenues and Accounts Receivable (Tables) | 12 Months Ended
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Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Disaggregation of revenue | Revenues from Contracts with Customers. The following tables present our revenues from contracts with customers disaggregated by segment and type of activity (in millions):
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Crude Oil segment revenues from contracts with customers |  |  |  |  |
Sales | $ | 39,635 |  |  | $ | 21,250 |  |  | $ | 30,156 |
Transportation | 484 |  |  | 570 |  |  | 722 |
Terminalling, Storage and Other | 431 |  |  | 507 |  |  | 505 |
Total Crude Oil segment revenues from contracts with customers | $ | 40,550 |  |  | $ | 22,327 |  |  | $ | 31,383 |
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
NGL segment revenues from contracts with customers |  |  |  |  |
Sales | $ | 2,292 |  |  | $ | 1,350 |  |  | $ | 2,211 |
Transportation | 25 |  |  | 29 |  |  | 32 |
Terminalling, Storage and Other | 82 |  |  | 96 |  |  | 80 |
Total NGL segment revenues from contracts with customers | $ | 2,399 |  |  | $ | 1,475 |  |  | $ | 2,323 |
The following tables present the reconciliation of our revenues from contracts with customers (as described above for each segment) to segment revenues and total revenues as disclosed in our Consolidated Statements of Operations (in millions):
Year Ended December 31, 2021 |  | Crude Oil |  | NGL |  |  |  | Total
Revenues from contracts with customers |  | $ | 40,550 |  |  | $ | 2,399 |  |  |  |  | $ | 42,949 |
Other items in revenues |  | (80) |  |  | (431) |  |  |  |  | (511) |
Total revenues of reportable segments |  | $ | 40,470 |  |  | $ | 1,968 |  |  |  |  | $ | 42,438 |
Intersegment revenues elimination |  |  |  |  |  |  |  | (360) |
Total revenues |  |  |  |  |  |  |  | $ | 42,078 |
Year Ended December 31, 2020 |  | Crude Oil |  | NGL |  |  |  | Total
Revenues from contracts with customers |  | $ | 22,327 |  |  | $ | 1,475 |  |  |  |  | $ | 23,802 |
Other items in revenues |  | (128) |  |  | (115) |  |  |  |  | (243) |
Total revenues of reportable segments |  | $ | 22,199 |  |  | $ | 1,360 |  |  |  |  | $ | 23,559 |
Intersegment revenues elimination |  |  |  |  |  |  |  | (269) |
Total revenues |  |  |  |  |  |  |  | $ | 23,290 |
Year Ended December 31, 2019 |  | Crude Oil |  | NGL |  |  |  | Total
Revenues from contracts with customers |  | $ | 31,383 |  |  | $ | 2,323 |  |  |  |  | $ | 33,706 |
Other items in revenues |  | 272 |  |  | 116 |  |  |  |  | 388 |
Total revenues of reportable segments |  | $ | 31,655 |  |  | $ | 2,439 |  |  |  |  | $ | 34,094 |
Intersegment revenues elimination |  |  |  |  |  |  |  | (425) |
Total revenues |  |  |  |  |  |  |  | $ | 33,669 |
Contracts with customers, change in contract asset and liability balance | The following table presents amounts in Other current assets and deferred revenue associated with these agreements (in millions):
| December 31,
| 2021 |  | 2020
Other current assets | $ | — |  |  | $ | 229 |
Deferred revenue (1) | $ | — |  |  | $ | 361 |
(1)Included in “Other current liabilities” on our Consolidated Balance Sheet. The following table presents the changes in the liability balance associated with contracts with customers (in millions):
| Contract Liabilities
Balance at December 31, 2019 | $ | 354 |
Amounts recognized as revenue (1) | (246) |
Additions (2) | 393 |
Balance at December 31, 2020 | $ | 501 |
Amounts recognized as revenue (2) | (393) |
Additions | 33 |
Balance at December 31, 2021 | $ | 141 |
(1)Includes approximately $155 million associated with crude oil sales agreements that were entered into in conjunction with storage arrangements and future inventory exchanges. Such agreements were entered into in 2019 and recognized as revenue in the first quarter of 2020. (2)Includes approximately $361 million associated with crude oil sales agreements that were entered into in conjunction with storage arrangements and future inventory exchanges. Such amount was recognized as revenue in the first quarter of 2021. The following is a reconciliation of trade accounts receivable from revenues from contracts with customers to total Trade accounts receivable and other receivables, net as presented on our Consolidated Balance Sheets (in millions):
| December 31,
| 2021 |  | 2020
Trade accounts receivable arising from revenues from contracts with customers | $ | 4,031 |  |  | $ | 2,317 |
Other trade accounts receivables and other receivables (1) | 5,126 |  |  | 2,818 |
Impact due to contractual rights of offset with counterparties | (4,452) |  |  | (2,582) |
Trade accounts receivable and other receivables, net | $ | 4,705 |  |  | $ | 2,553 |
(1)The balance is comprised primarily of accounts receivable associated with buy/sell arrangements that are not within the scope of ASC 606.
Contract with customer, counterparty deficiencies | The following table presents counterparty deficiencies associated with contracts with customers and buy/sell arrangements that include minimum volume commitments for which we had remaining performance obligations and the customers still had the ability to meet their obligations (in millions):
|  |  |  | December 31,
Counterparty Deficiencies |  | Financial Statement Classification |  | 2021 |  | 2020
Billed and collected |  | Liability |  | $ | 63 |  |  | $ | 73 |
Unbilled (1) |  | N/A |  | 16 |  |  | 4 |
Total |  |  |  | $ | 79 |  |  | $ | 77 |
(1)Amounts were related to deficiencies for which the counterparties had not met their contractual minimum commitments and are not reflected in our Consolidated Financial Statements as we had not yet billed or collected such amounts.
Remaining performance obligations | The following table presents the amount of consideration associated with remaining performance obligations for the population of contracts with external customers meeting the presentation requirements as of December 31, 2021 (in millions):
| 2022 |  | 2023 |  | 2024 |  | 2025 |  | 2026 |  | 2027 and Thereafter
Pipeline revenues supported by minimum volume commitments and capacity agreements (1) | $ | 179 |  |  | $ | 174 |  |  | $ | 158 |  |  | $ | 131 |  |  | $ | 86 |  |  | $ | 379 |
Terminalling, storage and other agreement revenues | 237 |  |  | 170 |  |  | 130 |  |  | 63 |  |  | 45 |  |  | 197 |
Total | $ | 416 |  |  | $ | 344 |  |  | $ | 288 |  |  | $ | 194 |  |  | $ | 131 |  |  | $ | 576 |
(1)Calculated as volumes committed under contracts multiplied by the current applicable tariff rate.

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 + Details
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