CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income (loss)		$ 203	$ (1,623)
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Impairments and other charges		674	2,908
Depreciation and amortization	[1]	1,975	2,080
Pension and other postretirement benefits expense		52	92
Stock-based compensation expense		180	145
Pension and other postretirement benefits funding		(74)	(83)
Earnings of equity method investments, less dividends received		(30)	(30)
Change in assets and liabilities:
(Increase) decrease in receivables	[2]	(406)	1,057
(Increase) decrease in inventories	[2]	(51)	334
(Increase) decrease in other current assets	[2]	(123)	92
Increase in other assets	[2]	(140)	(247)
Decrease in accounts payable and accrued liabilities	[2]	(738)	(1,491)
Decrease in estimated liability for taxes on income	[2]	(21)	(242)
(Decrease) increase in other liabilities	[2]	(37)	11
Other	[2]	50	(161)
NET CASH PROVIDED BY OPERATING ACTIVITIES		1,514	2,842
Cash flows from investing activities:
Capital expenditures		(884)	(998)
SPM investments		(328)	(729)
Multiclient seismic data costs capitalized		(190)	(333)
Business acquisitions and investments, net of cash acquired		(364)	(2,220)
Sale of investments, net		2,245	3,476
Other		(61)	26
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES		418	(778)
Cash flows from financing activities:
Dividends paid		(1,393)	(1,255)
Proceeds from employee stock purchase plan		96	116
Proceeds from exercise of stock options		47	79
Stock repurchase program		(770)	(506)
Proceeds from issuance of long-term debt		625	3,560
Repayment of long-term debt		(475)	(3,401)
Net decrease in short-term borrowings		(1,097)	(564)
Other		(2)	48
NET CASH USED IN FINANCING ACTIVITIES		(2,969)	(1,923)
Net (decrease) increase in cash before translation effect		(1,037)	141
Translation effect on cash		11	13
Cash, beginning of period		2,929	2,793
Cash, end of period		$ 1,903	$ 2,947

[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.