CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - 9 months ended Sep. 30, 2015 - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2014	$ 7,233	$ 0	$ (5,762)	$ 9,924	$ 3,374	$ (303)
Balance (in shares) at Dec. 31, 2014		1,151	(429)
Components of comprehensive income:
Net income	733				733
Other comprehensive income (loss)	(241)					(241)
Issuance of common stock pursuant to employee stock options	$ 82			82
Issuance of common stock pursuant to employee stock options (in shares)		6
Issuance of common stock pursuant to restricted stock rights (in shares)	0	4
Restricted stock surrendered for employees’ tax liability	$ (36)			(36)
Restricted stock surrendered for employees' tax liability (in shares)		(1)
Tax benefit associated with employee stock awards	31			31
Stock-based compensation expense related to employee stock options and restricted stock rights	73			73
Dividends ($0.23 per common share)	(170)				(170)
Indemnity on tax attributes assumed in connection with the Purchase Transaction	82		$ 82
Shareholder lawsuit settlement in connection with the Purchase Transaction	202		67	135
Balance at Sep. 30, 2015	$ 7,989	$ 0	$ (5,613)	$ 10,209	$ 3,937	$ (544)
Balance (in shares) at Sep. 30, 2015	731	1,160	(429)