Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2015

Stockholders' Equity Note [Abstract]

Summary of shareholders' equity activity

The following tables summarize our shareholders’ equity activity:

Millions of dollars	Total shareholders' equity			Company shareholders' equity			Noncontrolling interest in consolidated subsidiaries
Balance at December 31, 2014	$	16,298		$	16,267		$	31
Payments of dividends to shareholders	(460		)	(460		)	—
Stock plans	380			380			—
Other	(45		)	(44		)	(1		)
Comprehensive income (loss)	(693		)	(695		)	2
Balance at September 30, 2015	$	15,480		$	15,448		$	32

Millions of dollars	Total shareholders' equity			Company shareholders' equity			Noncontrolling interest in consolidated subsidiaries
Balance at December 31, 2013	$	13,615		$	13,581		$	34
Shares repurchased	(800		)	(800		)	—
Stock plans	505			505			—
Payments of dividends to shareholders	(381		)	(381		)	—
Other	(17		)	(13		)	(4		)
Comprehensive income (loss)	2,596			2,599			(3		)
Balance at September 30, 2014	$	15,518		$	15,491		$	27

Schedule of comprehensive income (loss)

Accumulated other comprehensive loss consisted of the following:

Millions of dollars	September 30, 2015			December 31, 2014
Defined benefit and other postretirement liability adjustments	$	(315	)	$	(326	)
Cumulative translation adjustments	(76		)	(70		)
Accumulated loss on cash flow hedges	(62		)	—
Other	2			(3		)
Total accumulated other comprehensive loss	$	(451	)	$	(399	)