Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 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
Stock plans	129			129			—
Payments of dividends to shareholders	(153		)	(153		)	—
Other	(7		)	(6		)	(1		)
Comprehensive income (loss)	(644		)	(646		)	2
Balance at March 31, 2015	$	15,623		$	15,591		$	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	(500		)	(500		)	—
Stock plans	146			146			—
Payments of dividends to shareholders	(127		)	(127		)	—
Other	(2		)	(1		)	(1		)
Comprehensive income	620			626			(6		)
Balance at March 31, 2014	$	13,752		$	13,725		$	27

Schedule of comprehensive income (loss)

Accumulated other comprehensive loss consisted of the following:

Millions of dollars	March 31, 2015			December 31, 2014
Defined benefit and other postretirement liability adjustments	$	(323	)	$	(326	)
Cumulative translation adjustments	(73		)	(70		)
Other	(6		)	(3		)
Total accumulated other comprehensive loss	$	(402	)	$	(399	)