Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 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	(309		)	(309		)	—
Stock plans	244			244			—
Other	(32		)	(45		)	13
Comprehensive loss	(5,621		)	(5,618		)	(3		)
Balance at June 30, 2016	$	9,777		$	9,734		$	43

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	(306		)	(306		)	—
Stock plans	254			254			—
Other	(44		)	(42		)	(2		)
Comprehensive income (loss)	(487		)	(488		)	1
Balance at June 30, 2015	$	15,715		$	15,685		$	30

Schedule of comprehensive income (loss)

Accumulated other comprehensive loss consisted of the following:

Millions of dollars	June 30, 2016			December 31, 2015
Defined benefit and other postretirement liability adjustments	$	(220	)	$	(221	)
Cumulative translation adjustments	(79		)	(78		)
Other	(62		)	(64		)
Total accumulated other comprehensive loss	$	(361	)	$	(363	)