Consolidated Statement of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Income Statement [Abstract]
Net Revenue	$ 8,346		$ 7,391		$ 6,714
Operating Expenses
General and administrative	2,649		2,429		2,196
Advertising and marketing	841		775		841
Depreciation and amortization	258		230		194
Provision for litigation settlement	95		20		770
Total operating expenses	3,843		3,454		4,001
Operating income	4,503		3,937		2,713
Other Income (Expense)
Investment income	38		37		52
Interest expense	(14)		(20)		(25)
Other income (expense), net	(27)		(21)		8
Total other income (expense)	(3)		(4)		35
Income before income taxes	4,500		3,933		2,748
Income tax expense	1,384		1,174		842
Net Income	$ 3,116		$ 2,759		$ 1,906
Basic Earnings per Share	$ 2.57	[1]	$ 2.20	[1]	$ 1.49
Basic Weighted-Average Shares Outstanding	1,211	[1]	1,253	[1]	1,279	[1]
Diluted Earnings per Share	$ 2.56	[1]	$ 2.19	[1]	$ 1.48
Diluted Weighted-Average Shares Outstanding	1,215	[1],[2]	1,258	[1],[2]	1,284	[1],[2]

[1] The number of shares and per share amounts have been retroactively restated to reflect the ten-for-one stock split of the Company's Class A and Class B common shares, which was effected in the form of a common stock dividend distributed on January 21, 2014.

[2] For the years presented, the calculation of diluted EPS excluded a minimal amount of anti-dilutive share-based payment awards.