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Master Limited Partnership (Tables) | 6 Months Ended
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Jun. 30, 2022
Noncontrolling Interest [Line Items] |
Unit Repurchases | Total share repurchases were as follows for the respective periods:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(In millions, except per share data) | 2022 |  | 2021 |  | 2022 |  | 2021
Number of shares repurchased | 34 |  |  | 16 |  |  | 71 |  |  | 16 |
Cash paid for shares repurchased | $ | 3,331 |  |  | $ | 984 |  |  | $ | 6,177 |  |  | $ | 984 |
Average cost per share | $ | 95.46 |  |  | $ | 63.00 |  |  | $ | 85.31 |  |  | $ | 63.00 |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net | As a result of equity transactions of MPLX, we are required to adjust non-controlling interest and additional paid-in capital. Changes in MPC’s additional paid-in capital resulting from changes in its ownership interests in MPLX were as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(In millions) | 2022 |  | 2021 |  | 2022 |  | 2021
Decrease due to change in ownership | $ | (13) |  |  | $ | (41) |  |  | $ | (50) |  |  | $ | (76) |
Tax impact | (7) |  |  | 7 |  |  | 5 |  |  | 38 |
Decrease in MPC's additional paid-in capital, net of tax | $ | (20) |  |  | $ | (34) |  |  | $ | (45) |  |  | $ | (38) |
MPLX LP |
Noncontrolling Interest [Line Items] |
Unit Repurchases | Total unit repurchases were as follows for the respective periods:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(In millions, except per share data) | 2022 |  | 2021 |  | 2022 |  | 2021
Number of common units repurchased | 1 |  |  | 6 |  |  | 4 |  |  | 12 |
Cash paid for common units repurchased | $ | 35 |  |  | $ | 155 |  |  | $ | 135 |  |  | $ | 310 |
Average cost per unit | $ | 33.74 |  |  | $ | 27.40 |  |  | $ | 32.48 |  |  | $ | 26.02 |

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- Definition The tabular disclosure of the effects of any changes in a parent's ownership interest in a subsidiary on the equity attributable to the parent if the ownership interests in a subsidiary changes during the period. The changes represented by this element did not result in the deconsolidation of the subsidiary. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4M -URI https://asc.fasb.org/extlink&oid=120409616&loc=SL4591554-111686 + Details
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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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