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Equity (Details) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended
--- | --- | ---
May 03, 2018 | Mar. 31, 2018 | Mar. 31, 2017
Reconciliation of the Beginning and Ending Balances of the Carrying Amounts of Equity |  |  |  |
Balance as of beginning of period |  |  | $ 22,900 | $ 20,854
Net income |  |  | 582 | 321
Dividends |  |  | (345) | (315)
Stock-based compensation expense |  |  | 14 | 13
Transactions in connection with stock-based compensation plans |  |  | (46) | (10)
Stock purchases under purchase programs |  |  | (256) | (292)
Distributions to noncontrolling interests |  |  | (11) | (34)
Other |  |  | 6 | 38
Other comprehensive income |  |  | 51 | 76
Balance as of end of period |  |  | 22,925 | 20,651
Dividend Declared [Member] | Subsequent Event [Member] |  |  |  |
Equity (Textual) |  |  |  |
Dividends payable, date declared |  | May 03, 2018 |  |
Dividends payable, amount per share (in usd per share) |  | $ 0.80 |  |
Dividends payable, date to be paid |  | Jun. 05, 2018 |  |
Dividends payable, date of record |  | May 17, 2018 |  |
Entities Other Than Valero Energy Partners LP [Member] |  |  |  |
Reconciliation of the Beginning and Ending Balances of the Carrying Amounts of Equity |  |  |  |
Contribution from noncontrolling interest |  |  | 30 | 0
Valero Energy Corporation Stockholders [Member] |  |  |  |
Reconciliation of the Beginning and Ending Balances of the Carrying Amounts of Equity |  |  |  |
Balance as of beginning of period |  |  | 21,991 | 20,024
Net income |  |  | 469 | 305
Dividends |  |  | (345) | (315)
Stock-based compensation expense |  |  | 14 | 13
Transactions in connection with stock-based compensation plans |  |  | (46) | (10)
Stock purchases under purchase programs |  |  | (256) | (292)
Distributions to noncontrolling interests |  |  | 0 | 0
Other |  |  | 2 | 24
Other comprehensive income |  |  | 48 | 76
Balance as of end of period |  |  | 21,877 | 19,825
Valero Energy Corporation Stockholders [Member] | Entities Other Than Valero Energy Partners LP [Member] |  |  |  |
Reconciliation of the Beginning and Ending Balances of the Carrying Amounts of Equity |  |  |  |
Contribution from noncontrolling interest |  |  | 0 | 0
Noncontrolling Interest [Member] |  |  |  |
Reconciliation of the Beginning and Ending Balances of the Carrying Amounts of Equity |  |  |  |
Balance as of beginning of period | [1] |  | 909 | 830
Net income | [1] |  | 113 | 16
Distributions to noncontrolling interests | [1] |  | (11) | (34)
Other | [1] |  | 4 | 14
Other comprehensive income | [1] |  | 3 | 0
Balance as of end of period | [1] |  | 1,048 | 826
Noncontrolling Interest [Member] | Entities Other Than Valero Energy Partners LP [Member] |  |  |  |
Reconciliation of the Beginning and Ending Balances of the Carrying Amounts of Equity |  |  |  |
Contribution from noncontrolling interest | [1] |  | $ 30 | $ 0
[1] | The noncontrolling interests relate to third-party ownership interests in VIEs for which we are the primary beneficiary and therefore consolidate. See Note 6 for information about our consolidated VIEs.

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