Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income	$ 6,217	$ 8,802	$ 7,389	$ 8,866
Other comprehensive income	9	171	2	172
Comprehensive income	6,226	8,973	7,391	9,038
Less comprehensive income attributable to:
Redeemable noncontrolling interest	21	21	42	41
Noncontrolling interests	323	269	629	555
Comprehensive income attributable to MPC	5,882	8,683	6,720	8,442
Actuarial changes
Other comprehensive income	21	183	33	192
Prior service
Other comprehensive income	(12)	(8)	(25)	(16)
Other
Other comprehensive income	$ 0	$ (4)	$ (6)	$ (4)