Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Net income	$ 922	$ 1,136
Other Comprehensive Income (Loss), Net of Tax	0	8
Comprehensive income	922	1,144
Less comprehensive income attributable to:
Noncontrolling interests	10	10
Comprehensive income attributable to MPLX LP	$ 912	$ 1,134

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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