CONSOLIDATED STATEMENT 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)		$ (1,627)	$ 2,135	$ 5,506
Add: Loss from discontinued operations				205
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Impairments and other charges		3,820	2,575	1,773
Depreciation and amortization	[1]	4,094	4,078	4,094
Pension and other postretirement benefits expense		187	438	355
Stock-based compensation expense		267	326	329
Pension and other postretirement benefits funding		(174)	(346)	(390)
Earnings of equity method investments, less dividends received		(60)	(125)	(113)
Change in assets and liabilities:
Decrease (increase) in receivables	[2]	1,098	2,176	(187)
Decrease (increase) in inventories	[2]	800	625	(36)
Decrease in other current assets	[2]	308	76	119
(Increase) decrease in other assets	[2]	(488)	16	(134)
Decrease in accounts payable and accrued liabilities	[2]	(1,680)	(2,656)	(36)
(Decrease) increase in estimated liability for taxes on income	[2]	(110)	(699)	104
Increase (decrease) in other liabilities	[2]	77	24	(79)
Other	[2]	(251)	162	(315)
NET CASH PROVIDED BY OPERATING ACTIVITIES		6,261	8,805	11,195
Cash flows from investing activities:
Capital expenditures		(2,055)	(2,410)	(3,976)
SPM investments		(1,031)	(953)	(740)
Multiclient seismic data capitalized		(630)	(486)	(321)
Business acquisitions and investments, net of cash acquired		(2,398)	(443)	(1,008)
Sale (purchase) of investments, net		5,544	(5,848)	446
Other		(54)	(112)	19
NET CASH USED IN INVESTING ACTIVITIES		(624)	(10,252)	(5,580)
Cash flows from financing activities:
Dividends paid		(2,647)	(2,419)	(1,968)
Proceeds from employee stock purchase plan		231	296	295
Proceeds from exercise of stock options		184	152	530
Stock repurchase program		(778)	(2,182)	(4,678)
Proceeds from issuance of long-term debt		3,640	9,565	2,289
Repayment of long-term debt		(5,630)	(3,771)	(2,878)
Net (decrease) increase in short-term borrowings		(387)	(3)	552
Other		(41)	(264)	(38)
NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES		(5,428)	1,374	(5,896)
Cash flow (used in) provided by discontinued operations - operating activities			(233)	24
Net increase (decrease) in cash before translation effect		209	(306)	(257)
Translation effect on cash		(73)	(31)	(85)
Cash, beginning of period		2,793	3,130	3,472
Cash, end of period		$ 2,929	$ 2,793	$ 3,130

[1] Includes depreciation of property, plant and equipment and amortization of intangible assets, multiclient seismic data costs and SPM investments.

[2] Net of the effect of business acquisitions and divestitures.