Shareholders' Equity (Tables)
 9 Months Ended
Sep. 30, 2014
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, 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
2,596

2,599

(3
)
Balance at September 30, 2014
$
15,518

$
15,491

$
27

Millions of dollars
Total shareholders' equity
Company shareholders' equity
Noncontrolling interest in consolidated subsidiaries
Balance at December 31, 2012
$
15,790

$
15,765

$
25

Shares repurchased
(4,356
)
(4,356
)
—

Stock plans
397

397

—

Payments of dividends to shareholders
(337
)
(337
)
—

Other
(25
)
(22
)
(3
)
Comprehensive income
1,349

1,341

8

Balance at September 30, 2013
$
12,818

$
12,788

$
30
Schedule of comprehensive income (loss)
Accumulated other comprehensive loss consisted of the following:
Millions of dollars
September 30,
2014
December 31,
2013
Defined benefit and other postretirement liability adjustments
$
(238
)
$
(241
)
Cumulative translation adjustments
(70
)
(69
)
Other
1

3

Total accumulated other comprehensive loss
$
(307
)
$
(307
)