Selected Quarterly Financial Data

12 Months Ended

Dec. 31, 2015

Quarterly Financial Data [Abstract]

Selected Quarterly Financial Data

Selected Quarterly Financial Data (Unaudited)

	2015								2014
(In millions, except per share data)	1st Qtr.		2nd Qtr.		3rd Qtr.		4th Qtr.		1st Qtr.		2nd Qtr.		3rd Qtr.		4th Qtr.
Revenues	$	17,191	$	20,537	$	18,716	$	15,607	$	23,285	$	26,844	$	25,438	$	22,250
Income from operations	1,470		1,335		1,549		338		361		1,369		1,062		1,259
Net income	903		839		958		168		207		864		679		805
Net income attributable to MPC	891		826		948		187		199		855		672		798
Net income attributable to MPC per share:(a)
Basic	$	1.63	$	1.52	$	1.77	$	0.35	$	0.34	$	1.49	$	1.19	$	1.44
Diluted	1.62		1.51		1.76		0.35		0.34		1.48		1.18		1.43
Dividends paid per share	0.25		0.25		0.32		0.32		0.21		0.21		0.25		0.25

^(a)  We completed a two-for-one stock split in June 2015. All historical per share data has been retroactively restated on a post-split basis.