Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net income	$ 3,084	$ 1,172
Other comprehensive income	(11)	(7)
Comprehensive income	3,073	1,165
Less comprehensive income attributable to:
Redeemable noncontrolling interest	23	21
Noncontrolling interests	337	306
Comprehensive income attributable to MPC	2,713	838
Actuarial changes
Other comprehensive income	2	12
Prior service
Other comprehensive income	(13)	(13)
Other
Other comprehensive income	$ 0	$ (6)