Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2016

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, 2015	$	15,495		$	15,462		$	33
Payments of dividends to shareholders	(154		)	(154		)	—
Stock plans	126			126			—
Other	12			(6		)	18
Comprehensive loss	(2,419		)	(2,413		)	(6		)
Balance at March 31, 2016	$	13,060		$	13,015		$	45

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	(153		)	(153		)	—
Stock plans	129			129			—
Other	(7		)	(6		)	(1		)
Comprehensive income (loss)	(644		)	(646		)	2
Balance at March 31, 2015	$	15,623		$	15,591		$	32

Schedule of comprehensive income (loss)

Accumulated other comprehensive loss consisted of the following:

Millions of dollars	March 31, 2016			December 31, 2015
Defined benefit and other postretirement liability adjustments	$	(221	)	$	(221	)
Cumulative translation adjustments	(78		)	(78		)
Other	(65		)	(64		)
Total accumulated other comprehensive loss	$	(364	)	$	(363	)