CONSOLIDATED STATEMENT OF EQUITY (USD $) In Millions	Total	Common Stock Issued	Common Stock In Treasury	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balance at Dec. 31, 2013	$ 39,635	$ 12,192	$ (8,135)	$ 37,966	$ (2,554)	$ 166
Net income	1,608			1,592		16
Unrealized net change arising during the period	(88)				(88)
Unrealized (loss) gain arising during the period	11				11
Changes in fair value of cash flow hedges	13				13
Pension and other postretirement benefit plans	63				63
Shares sold to optionees, less shares exchanged	146	(7)	153
Vesting of restricted stock		(30)	30
Shares issued under employee stock purchase plan	134	6	128
Stock repurchase program	(899)		(899)
Stock-based compensation expense	77	77
Dividends declared	(522)			(522)
Other	2	8				(6)
Balance at Mar. 31, 2014	40,180	12,246	(8,723)	39,036	(2,555)	176
Balance at Dec. 31, 2014	38,049	12,495	(11,772)	41,333	(4,206)	199
Balance, shares at Dec. 31, 2014	1,275	1,434	(159)
Net income	988			975		13
Unrealized net change arising during the period	(113)				(113)
Unrealized (loss) gain arising during the period	(18)				(18)
Changes in fair value of cash flow hedges	(34)				(34)
Pension and other postretirement benefit plans	86				86
Shares sold to optionees, less shares exchanged	38	(16)	54
Vesting of restricted stock		(39)	39
Shares issued under employee stock purchase plan	144	9	135
Stock repurchase program	(719)		(719)
Stock-based compensation expense	80	80
Dividends declared	(639)			(639)
Other	4	6				(2)
Shares sold to optionees, less shares exchanged, shares	1		1
Vesting of restricted stock, shares	1		1
Shares issued under employee stock purchase plan, shares	2		2
Stock repurchase program, shares	(9)		(9)
Balance at Mar. 31, 2015	$ 37,866	$ 12,535	$ (12,263)	$ 41,669	$ (4,285)	$ 210
Balance, shares at Mar. 31, 2015	1,270	1,434	(164)