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Revenues and Accounts Receivable - Segment Revenue (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Disaggregation of Revenue [Line Items] |  |
Total revenues | $ 8,269 | $ 8,375
Transportation |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 187 | 197
Facilities |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 175 | 156
Supply and Logistics |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 7,907 | 8,022
Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 8,628 | 8,673
Total revenues | 8,800 | 8,877
Operating Segments | Transportation |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 573 | 544
Total revenues | 579 | 556
Operating Segments | Facilities |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 305 | 283
Total revenues | 313 | 299
Operating Segments | Supply and Logistics |  |
Disaggregation of Revenue [Line Items] |  |
Revenues from contracts with customers | 7,750 | 7,846
Total revenues | 7,908 | 8,022
Intersegment |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | (531) | (502)
Intersegment | Transportation |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | (282) | (253)
Intersegment | Facilities |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | (138) | (143)
Intersegment | Supply and Logistics |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | (1) |
Other | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 172 | 204
Other | Operating Segments | Transportation |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 6 | 12
Other | Operating Segments | Facilities |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | 8 | 16
Other | Operating Segments | Supply and Logistics |  |
Disaggregation of Revenue [Line Items] |  |
Total revenues | $ 158 | $ 176

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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