Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income (loss)	$ (5,769)	$ (667)	$ 3,501
Adjustments to reconcile net income (loss) to cash flows from operating activities:
Impairments and other charges	3,357	2,177	129
Depreciation, depletion and amortization	1,503	1,835	2,126
Deferred income tax benefit, continuing operations	(1,501)	(224)	(454)
Cash impact of impairments and other charges - severance payments	(273)	(304)	(28)
Payment related to the Macondo well incident	(33)	(333)	(569)
Changes in assets and liabilities:
Receivables	899	1,468	(1,381)
Inventories	552	153	(271)
Accounts payable	(219)	(603)	489
Other	(219)	(596)	520
Total cash flows provided by (used in) operating activities	(1,703)	2,906	4,062
Cash flows from investing activities:
Capital expenditures	(798)	(2,184)	(3,283)
Proceeds from sales of property, plant, and equipment	222	168	338
Payments to acquire businesses, net of cash acquired	(31)	(39)	(231)
Other investing activities	(103)	(137)	38
Total cash flows used in investing activities	(710)	(2,192)	(3,138)
Cash flows from financing activities:
Payments on long-term borrowings	(3,171)	(8)	(4)
Dividends to shareholders	(620)	(614)	(533)
Proceeds from issuance of common stock	186	167	332
Proceeds from issuance of long-term debt, net	74	7,440	0
Payments to reacquire common stock	0	0	(800)
Other financing activities	(9)	96	(25)
Total cash flows provided by (used in) financing activities	(3,540)	7,081	(1,030)
Effect of exchange rate changes on cash	(115)	(9)	41
Increase (decrease) in cash and equivalents	(6,068)	7,786	(65)
Cash and equivalents at beginning of year	10,077	2,291	2,356
Cash and equivalents at end of year	4,009	10,077	2,291
Cash payments (receipts) during the period for:
Interest	659	380	384
Income taxes	$ (20)	$ 370	$ 1,269