Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2011

Shareholders' Equity [Abstract]

Shareholders' Equity Activity Summarization

							Noncontrolling
	Total			Company			interest in
	shareholders'			shareholders'			consolidated
Millions of dollars	equity			equity			subsidiaries
Balance at December 31, 2010	$	10,387		$	10,373		$	14
Transactions with shareholders		299			299			-
Comprehensive income:
Net income		1,937			1,933			4
Total comprehensive income		1,937			1,933			4
Payments of dividends to shareholders		(247	)		(247	)		-
Balance at September 30, 2011	$	12,376		$	12,358		$	18

							Noncontrolling
	Total			Company			interest in
	shareholders'			shareholders'			consolidated
Millions of dollars	equity			equity			subsidiaries
Balance at December 31, 2009	$	8,757		$	8,728		$	29
Transactions with shareholders		111			131			(20	)
Treasury shares issued for acquisition of
Boots & Coots, Inc.		105			105			-
Shares repurchased		(114	)		(114	)		-
Comprehensive income:
Net income		1,235			1,230			5
Other comprehensive income		4			5			(1	)
Total comprehensive income		1,239			1,235			4
Payments of dividends to shareholders		(245	)		(245	)		-
Balance at September 30, 2010	$	9,853		$	9,840		$	13

Comprehensive Income

	Three Months Ended
	September 30
Millions of dollars	2011		2010
Net income	$	685	$	545
Total comprehensive income	$	685	$	545
Comprehensive income attributable to noncontrolling interest		2		1
Comprehensive income attributable to company		683		544

Accumulated Other Comprehensive Income

	September 30,			December 31,
Millions of dollars	2011			2010
Defined benefit and other postretirement liability adjustments	$	(175	)	$	(175	)
Cumulative translation adjustments		(66	)		(66	)
Unrealized gains on investments		1			1
Total accumulated other comprehensive loss	$	(240	)	$	(240	)