Consolidated Statement of Income shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) $ / shares shares
Revenues and Other Income
Sales and other operating revenues	$ 102,354
Equity in earnings of affiliates	1,732
Net gain on dispositions	15
Other income	521
Total Revenues and Other Income	104,622
Costs and Expenses
Purchased crude oil and products	79,409
Operating expenses	4,699
Selling, general and administrative expenses	1,695
Depreciation and amortization	1,318
Impairments	24
Taxes other than income taxes	13,462
Accretion on discounted liabilities	22
Interest and debt expense	438
Foreign currency transaction (gains) losses	0
Total Costs and Expenses	101,067
Income before income taxes	3,555
Income tax expense (benefit)	(1,693)
Net Income	5,248
Less: net income attributable to noncontrolling interests	142
Net Income Attributable to Phillips 66	$ 5,106
Net Income Attributable to Phillips 66 Per Share of Common Stock (dollars)
Basic (in dollars per share) | $ / shares	$ 9.90
Diluted (in dollars per share) | $ / shares	$ 9.85
Weighted-Average Common Shares Outstanding (thousands)
Basic (in shares) | shares	515,090
Diluted (in shares) | shares	518,508
Includes excise taxes on sales of refined petroleum products for the year ended December 31, 2017, prior to the adoption of Accounting Standards Update No. 2014-09 on January 1, 2018:	$ 13,054