Consolidated Statement of Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues and Other Income
Sales and other operating revenues	$ 23,103	$ 23,595
Equity in earnings of affiliates	516	424
Net gain on dispositions	1	17
Other income	38	10
Total Revenues and Other Income	23,658	24,046
Costs and Expenses
Purchased crude oil and products	21,055	21,138
Operating expenses	1,307	1,246
Selling, general and administrative expenses	366	386
Depreciation and amortization	331	336
Impairments	1	0
Taxes other than income taxes	128	110
Accretion on discounted liabilities	6	6
Interest and debt expense	119	123
Foreign currency transaction (gains) losses	5	(16)
Total Costs and Expenses	23,318	23,329
Income before income taxes	340	717
Income tax expense	70	132
Net Income	270	585
Less: net income attributable to noncontrolling interests	66	61
Net Income Attributable to Phillips 66	$ 204	$ 524
Net Income Attributable to Phillips 66 Per Share of Common Stock
Net income per share, Basic (in usd per share)	$ 0.44	$ 1.07
Net income per share, Diluted (in usd per share)	$ 0.44	$ 1.07
Weighted-Average Common Shares Outstanding
Basic (in shares)	457,599	487,065
Diluted (in shares)	459,289	489,668