Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ 357	$ (5,616)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation, depletion, and amortization	1,163	1,117
U.S. tax refund	478	430
Payment related to the Macondo well incident	(368)	(33)
Impairments and other charges	262	3,189
Deferred income tax expense (benefit), continuing operations	(183)	(1,511)
Changes in assets and liabilities:
Receivables	(1,064)	682
Accounts payable	611	(461)
Inventories	(49)	388
Other	250	(947)
Total cash flows provided by (used in) operating activities	1,457	(2,762)
Cash flows from investing activities:
Capital expenditures	(934)	(625)
Payments to acquire businesses, net of cash acquired	(628)	0
Proceeds from sales of property, plant, and equipment	111	176
Other investing activities	(56)	(73)
Total cash flows used in investing activities	(1,507)	(522)
Cash flows from financing activities:
Payments on long-term borrowings	(1,633)	(3,149)
Dividends to shareholders	(469)	(465)
Other financing activities	92	163
Total cash flows used in financing activities	(2,010)	(3,451)
Effect of exchange rate changes on cash	(51)	(53)
Increase (decrease) in cash and equivalents	(2,111)	(6,788)
Cash and equivalents at beginning of period	4,009	10,077
Cash and equivalents at end of period	1,898	3,289
Cash payments (receipts) during the period for:
Interest	455	516
Income taxes	$ (240)	$ (25)