Shareholders' Equity (Tables)

6 Months Ended

Jun. 30, 2017

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, 2016	$	9,448		$	9,409		$	39
Retained earnings adjustment for new accounting standard (a)	(384		)	(384		)	—
Payments of dividends to shareholders	(312		)	(312		)	—
Stock plans	239			239			—
Other	(38		)	(35		)	(3		)
Balance at June 30, 2017	$	8,953		$	8,917		$	36

(a) Represents a cumulative-effect adjustment to retained earnings upon our adoption of a new accounting standards update on the income tax consequences of intra-entity transfers of assets other than inventory which was effective January 1, 2017. See Note 8 for further information.

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

Schedule of comprehensive income (loss)

Accumulated other comprehensive loss consisted of the following:

Millions of dollars	June 30, 2017			December 31, 2016
Defined benefit and other postretirement liability adjustments	$	(313	)	$	(313	)
Cumulative translation adjustments	(79		)	(80		)
Other	(58		)	(61		)
Total accumulated other comprehensive loss	$	(450	)	$	(454	)