Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income (loss)	$ (32)	$ (2,418)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation, depletion, and amortization	383	346
Payment related to the Macondo well incident	(335)	0
Deferred income tax expense (benefit), continuing operations	(132)	(857)
Impairments and other charges	0	2,766
Changes in assets and liabilities:
Accounts payable	228	(170)
Receivables	(178)	228
Inventories	(18)	34
Other	89	(100)
Total cash flows provided by (used in) operating activities	5	(171)
Cash flows from investing activities:
Capital expenditures	(265)	(234)
Proceeds from sales of property, plant, and equipment	41	50
Other investing activities	(13)	(24)
Total cash flows used in investing activities	(237)	(208)
Cash flows from financing activities:
Payments on long-term borrowings	(1,566)	0
Dividends to shareholders	(156)	(154)
Other financing activities	63	77
Total cash flows used in financing activities	(1,659)	(77)
Effect of exchange rate changes on cash	(11)	(28)
Increase (decrease) in cash and equivalents	(1,902)	(484)
Cash and equivalents at beginning of period	4,009	10,077
Cash and equivalents at end of period	2,107	9,593
Cash payments (receipts) during the period for:
Interest	173	164
Income taxes	$ 77	$ 121