Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net income	$ 1,015	$ 3,631	$ 4,282	$ 9,295
Other comprehensive loss	(6)	(19)	(27)	(51)
Comprehensive income	1,009	3,612	4,255	9,244
Less comprehensive income attributable to:
Redeemable noncontrolling interest	6	25	21	71
Noncontrolling interests	387	326	1,187	994
Comprehensive income attributable to MPC	616	3,261	3,047	8,179
Actuarial changes
Other comprehensive loss	2	(6)	5	(10)
Prior service
Other comprehensive loss	(10)	(13)	(31)	(38)
Other
Other comprehensive loss	$ 2	$ 0	$ (1)	$ (3)