CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)		$ 758	$ (1,432)
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Impairments and other charges		723	3,144
Depreciation and amortization	[1]	2,931	3,078
Pension and other postretirement benefits expense		79	139
Stock-based compensation expense		261	210
Pension and other postretirement benefits funding		(107)	(127)
Earnings of equity method investments, less dividends received		(52)	(51)
Change in assets and liabilities:
(Increase) decrease in receivables	[2]	(1,049)	851
Decrease in inventories	[2]	14	556
(Increase) decrease in other current assets	[2]	(86)	241
Decrease (increase) in other assets	[2]	202	(335)
Decrease in accounts payable and accrued liabilities	[2]	(533)	(1,684)
Increase (decrease) in estimated liability for taxes on income	[2]	181	(187)
(Decrease) increase in other liabilities	[2]	(74)	40
Other	[2]	164	(195)
NET CASH PROVIDED BY OPERATING ACTIVITIES		3,412	4,248
Cash flows from investing activities:
Capital expenditures		(1,482)	(1,401)
SPM investments		(492)	(869)
Multiclient seismic data costs capitalized		(223)	(497)
Business acquisitions and investments, net of cash acquired		(382)	(2,251)
Sale of investments, net		3,310	4,439
Other		(92)	(13)
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES		639	(592)
Cash flows from financing activities:
Dividends paid		(2,086)	(1,951)
Proceeds from employee stock purchase plan		212	231
Proceeds from exercise of stock options		49	113
Stock repurchase program		(868)	(662)
Proceeds from issuance of long-term debt		681	3,586
Repayment of long-term debt		(2,206)	(4,749)
Net (decrease) increase in short-term borrowings		(1,110)	401
Other		17	(8)
NET CASH USED IN FINANCING ACTIVITIES		(5,311)	(3,039)
Net (decrease) increase in cash before translation effect		(1,260)	617
Translation effect on cash		21	31
Cash, beginning of period		2,929	2,793
Cash, end of period		$ 1,690	$ 3,441

[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.