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Related Party Transactions (Details) - USD ($) $ in Millions |  |  | 3 Months Ended
--- | --- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019
Related Party Transaction [Line Items] |  |  |  |
Revenues from related parties |  |  | $ 23 | $ 225
Purchases and related costs from related parties |  |  | 129 | $ 114
Trade accounts receivable and other receivables, net from related parties | $ 180 | $ 134 | 180 |
Trade accounts payable to related parties | $ 97 | $ 102 | $ 97 |
Class C Shares | PAA |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Ownership interest (in shares) | 550,769,169 | 549,538,139 |  |
Agreement To Transport Crude Oil On Pipeline Of Equity Method Investee | Equity Method Investee |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Ownership interest in unconsolidated entity | 50.00% |  | 50.00% |
Minimum | AAP | Principal Owner |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Limited partner interest |  |  | 10.00% |

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- Definition The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(11)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
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