Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income	$ 1,391	$ 632
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation, depletion, and amortization	1,034	922
Loss Contingency for Macondo well incident	0	1,000
Other changes:
Receivables	(594)	(613)
Accounts payable	355	227
Inventories	(218)	(154)
Payment of Barracuda-Caratinga obligation	0	(219)
Other	107	(324)
Total cash flows from operating activities	2,075	1,471
Cash flows from investing activities:
Capital expenditures	(1,375)	(1,396)
Purchases of investment securities	(115)	(110)
Sales of investment securities	204	232
Other investing activities	(234)	83
Total cash flows from investing activities	(1,520)	(1,191)
Cash flows from financing activities:
Payments to reacquire common stock	(500)	(1,015)
Dividends to shareholders	(254)	(231)
Other financing activities	230	(83)
Total cash flows from financing activities	(524)	(1,329)
Effect of exchange rate changes on cash	(27)	(23)
Increase (Decrease) in cash and equivalents	4	(1,072)
Cash and equivalents at beginning of period	2,356	2,484
Cash and equivalents at end of period	2,360	1,412
Cash payments (receipts) during the period for:
Interest	191	146
Income taxes	$ 342	$ 390