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Supplemental Financial Statement Information Schedule Of Statements of Cash Flows (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
NET CASH FLOWS PROVIDED BY OPERATING ACTIVITIES | $ 3,162 | $ 1,463 | [1]
Contributions to unconsolidated affiliate | 13 | 225 | [1]
Capital expenditures | 3,539 | 2,879 | [1]
Contributions in aid of construction costs | 60 | 16 | [1]
Net cash provided by (used in) investing activities | (3,137) | (1,537) | [1]
Proceeds from borrowings | 16,702 | 14,950 | [1]
Repayments of long-term debt | (18,039) | (14,304) | [1]
Proceeds from affiliate | 318 | 456 | [1]
Distributions to partners | (532) | (501) | [1]
Units issued for cash | 0 | 568 | [1]
Debt issuance costs | (173) | (35) | [1]
Net cash provided by (used in) financing activities | (2,582) | (81) | [1]
CHANGE IN CASH AND CASH EQUIVALENTS | 183 | (88) | [1]
Cash and cash equivalents, beginning of period | 336 | 467 | [1]
Cash and cash equivalents, end of period | 519 | 379 | [1]
Parent Company [Member] |  |  |
NET CASH FLOWS PROVIDED BY OPERATING ACTIVITIES | 626 | 405 |
Contributions to unconsolidated affiliate | 250 | 861 |
Capital expenditures | 0 | 1 |
Contributions in aid of construction costs | 0 | (6) |
Sunoco LP Series A Preferred Units redemption | 303 | 0 |
Net cash provided by (used in) investing activities | 53 | (856) |
Proceeds from borrowings | 355 | 2,072 |
Repayments of long-term debt | (587) | (1,740) |
Proceeds from affiliate | 85 | 87 |
Distributions to partners | (532) | (501) |
Units issued for cash | 0 | 568 |
Debt issuance costs | 0 | (35) |
Net cash provided by (used in) financing activities | (679) | 451 |
CHANGE IN CASH AND CASH EQUIVALENTS | 0 | 0 |
Cash and cash equivalents, beginning of period | 1 | 2 |
Cash and cash equivalents, end of period | $ 1 | $ 2 |
[1] | As adjusted. See Note 1.

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3044-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906 + Details
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- Definition Amount of cash distribution paid to unit-holder of limited partnership (LP). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 + Details
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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228 + Details
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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3574-108585 + Details
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