Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income (loss)		$ (2,418)	$ (641)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Impairments and other charges	[1]	2,766	1,208
Deferred income tax expense (benefit), continuing operations		(857)	(409)
Depreciation, depletion, and amortization		346	560
Other changes:
Receivables		228	763
Accounts payable		(170)	(318)
Inventories		34	(132)
Other		(100)	(219)
Total cash flows from operating activities		(171)	812
Cash flows from investing activities:
Capital expenditures		(234)	(704)
Proceeds from sale of property, plant, and equipment		50	54
Other investing activities		(24)	(32)
Total cash flows from investing activities		(208)	(682)
Cash flows from financing activities:
Dividends to shareholders		(154)	(153)
Other financing activities		77	51
Total cash flows from financing activities		(77)	(102)
Effect of exchange rate changes on cash		(28)	(25)
Increase (decrease) in cash and equivalents		(484)	3
Cash and equivalents at beginning of period		10,077	2,291
Cash and equivalents at end of period		9,593	2,294
Cash payments (receipts) during the period for:
Interest		164	167
Income taxes		$ 121	$ 135

[1] (b) Includes $1.8 billion attributable to Completion and Production, $1.0 billion attributable to Drilling and Evaluation, and $5 million attributable to Corporate and other for the three months ended March 31, 2016. Includes $510 million attributable to Completion and Production, $638 million attributable to Drilling and Evaluation, and $60 million attributable to Corporate and other for the three months ended March 31, 2015.