CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Cash flows from operating activities:
Net income	$ 1,310		$ 943
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization (1)	853	[1]	788	[1]
Earnings of companies carried at equity, less dividends received	(37)		(21)
Deferred income taxes	(18)		60
Stock-based compensation expense	79		67
Pension and other postretirement benefits expense	97		94
Pension and other postretirement benefits funding	(54)		(49)
Change in assets and liabilities: (2)
Increase in receivables	(875)	[2]	(561)	[2]
Increase in inventories	(399)	[2]	(251)	[2]
Increase in other current assets	(130)	[2]	(49)	[2]
Decrease in accounts payable and accrued liabilities	(267)	[2]	(177)	[2]
Increase (decrease) in liability for taxes on income	164	[2]	(99)	[2]
Decrease in other liabilities	(16)	[2]	(41)	[2]
Other-net	25	[2]	132	[2]
NET CASH PROVIDED BY OPERATING ACTIVITIES	732		836
Cash flows from investing activities:
Capital expenditures	(961)		(770)
Multiclient seismic data capitalized	(101)		(83)
Business acquisitions, net of cash acquired			(74)
Sale of investments, net	362		565
Other	(45)		(23)
NET CASH USED IN INVESTING ACTIVITIES	(745)		(385)
Cash flows from financing activities:
Dividends paid	(334)		(291)
Proceeds from employee stock purchase plan	115		90
Proceeds from exercise of stock options	88		146
Stock repurchase program	(324)		(844)
Proceeds from issuance of long-term debt	46		2,234
Repayment of long-term debt	(40)		(2,416)
Net decrease in short-term borrowings	93		64
NET CASH USED IN FINANCING ACTIVITIES	(356)		(747)
Net decrease in cash before translation effect	(369)		(296)
Translation effect on cash	10		7
Cash, beginning of period	1,705		1,764
Cash, end of period	$ 1,346		$ 1,475

[1] Includes multiclient seismic data costs.

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