CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $)	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2010	$ 10,203,000,000	$ 0	$ 12,353,000,000	$ (2,194,000,000)	$ 57,000,000	$ (13,000,000)
Balance (in shares) at Dec. 31, 2010		(1,382,000,000)		(199,000,000)
Components of comprehensive income (loss):
Net income	1,085,000,000				1,085,000,000
Other comprehensive income (loss)	(59,000,000)					(59,000,000)
Issuance of common stock pursuant to employee stock options	69,000,000		69,000,000
Issuance of common stock pursuant to employee stock options (in shares)		9,000,000
Issuance of common stock pursuant to restricted stock rights (in shares)		3,000,000
Restricted stock surrendered for employees' tax liability	(15,000,000)		(15,000,000)
Restricted stock surrendered for employees' tax liability (in shares)		(1,000,000)
Stock-based compensation expense related to employee stock options and restricted stock rights	95,000,000		95,000,000
Dividends ($0.19, $0.18, and $0.165 per common share at December 31, 2013, 2012, and 2011, respectively)	(194,000,000)				(194,000,000)
Shares repurchased (see Note 20)	(692,000,000)			(692,000,000)
Shares repurchased (in shares)				(61,000,000)
Retirement of treasury shares	0		(2,886,000,000)	2,886,000,000
Retirement of treasury shares (shares)		(260,000,000)		260,000,000
Balance at Dec. 31, 2011	10,492,000,000	0	9,616,000,000	0	948,000,000	(72,000,000)
Balance (in shares) at Dec. 31, 2011		(1,133,000,000)		0
Components of comprehensive income (loss):
Net income	1,149,000,000				1,149,000,000
Other comprehensive income (loss)	46,000,000					46,000,000
Issuance of common stock pursuant to employee stock options	33,000,000		33,000,000
Issuance of common stock pursuant to employee stock options (in shares)		5,000,000
Issuance of common stock pursuant to restricted stock rights (in shares)		4,000,000
Restricted stock surrendered for employees' tax liability	(16,000,000)		(16,000,000)
Restricted stock surrendered for employees' tax liability (in shares)		(1,000,000)
Forfeiture of restricted stock rights (in shares)		(3,000,000)
Stock-based compensation expense related to employee stock options and restricted stock rights	132,000,000		132,000,000
Dividends ($0.19, $0.18, and $0.165 per common share at December 31, 2013, 2012, and 2011, respectively)	(204,000,000)				(204,000,000)
Shares repurchased (see Note 20)	(315,000,000)			(315,000,000)
Shares repurchased (in shares)				(26,000,000)
Retirement of treasury shares	0		(315,000,000)	315,000,000
Retirement of treasury shares (shares)		(26,000,000)		26,000,000
Balance at Dec. 31, 2012	11,317,000,000	0	9,450,000,000	0	1,893,000,000	(26,000,000)
Balance (in shares) at Dec. 31, 2012		(1,112,000,000)		0
Components of comprehensive income (loss):
Net income	1,010,000,000				1,010,000,000
Other comprehensive income (loss)	94,000,000					94,000,000
Issuance of common stock pursuant to employee stock options	158,000,000		158,000,000
Issuance of common stock pursuant to employee stock options (in shares)		16,000,000
Issuance of common stock pursuant to restricted stock rights (in shares)		8,000,000
Restricted stock surrendered for employees' tax liability	(49,000,000)		(49,000,000)
Restricted stock surrendered for employees' tax liability (in shares)		(4,000,000)
Tax benefit associated with employee stock awards	11,000,000		11,000,000
Stock-based compensation expense related to employee stock options and restricted stock rights	112,000,000		112,000,000
Dividends ($0.19, $0.18, and $0.165 per common share at December 31, 2013, 2012, and 2011, respectively)	(217,000,000)				(217,000,000)
Shares repurchased (see Note 20)	(5,830,000,000)			(5,830,000,000)
Shares repurchased (in shares)				(429,000,000)
Indemnity on tax attributes assumed in connection with the Purchase Transaction (see Note 18)	16,000,000			16,000,000
Balance at Dec. 31, 2013	$ 6,622,000,000	$ 0	$ 9,682,000,000	$ (5,814,000,000)	$ 2,686,000,000	$ 68,000,000
Balance (in shares) at Dec. 31, 2013		(1,132,000,000)		(429,000,000)