Consolidated Statements of Stockholders' Equity - USD ($)	Total	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Balance, beginning of year, shares at Dec. 31, 2012		43,000,000	785,000,000				198,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of A into B shares, shares	4,000,000	(4,000,000)	4,000,000
Restricted stock unit vests, shares			7,000,000
Exercise of stock options, shares			8,000,000
Class B Common Stock purchased, shares							46,000,000
Shares paid for tax withholding for stock-based compensation, shares							3,000,000
Issuance of stock for deferred compensation, shares							0
Retirement of treasury stock, shares			(3,000,000)				(3,000,000)
Balance, end of year, shares at Dec. 31, 2013		39,000,000	801,000,000				244,000,000
Balance, beginning of year at Dec. 31, 2012		$ 0	$ 1,000,000	$ 43,424,000,000	$ (26,769,000,000)	$ (569,000,000)	$ (5,874,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of A shares into B shares		0	0
Stock-based compensation				187,000,000
Tax benefit related to employee stock-based transactions				159,000,000
Restricted stock unit vests			0
Exercise of stock options			0	144,000,000
Retirement of treasury stock			0	(145,000,000)			145,000,000
Dividends	$ (295,000,000)			(295,000,000)
Gain on Outdoor Americas IPO				0
Net earnings (loss)	1,879,000,000				1,879,000,000
Other comprehensive income (loss)	24,000,000					24,000,000
Class B Common Stock purchased, value							(2,201,000,000)
Outdoor Americas Split-Off	0						0
Shares paid for tax withholding for stock-based compensation							(145,000,000)
Issuance of stock for deferred compensation							1,000,000
Balance, end of year at Dec. 31, 2013	$ 9,966,000,000	$ 0	$ 1,000,000	43,474,000,000	(24,890,000,000)	(545,000,000)	$ (8,074,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Outdoor Americas Split-Off, shares							0
Conversion of A into B shares, shares	1,300,000	(1,000,000)	1,000,000
Restricted stock unit vests, shares			5,000,000
Exercise of stock options, shares			14,000,000
Class B Common Stock purchased, shares							60,000,000
Shares paid for tax withholding for stock-based compensation, shares							3,000,000
Issuance of stock for deferred compensation, shares							0
Retirement of treasury stock, shares			(3,000,000)				(3,000,000)
Balance, end of year, shares at Dec. 31, 2014		38,000,000	818,000,000				349,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of A shares into B shares		$ 0	$ 0
Stock-based compensation				168,000,000
Tax benefit related to employee stock-based transactions				246,000,000
Restricted stock unit vests			0
Exercise of stock options			0	282,000,000
Retirement of treasury stock			0	(146,000,000)			$ 146,000,000
Dividends	$ (296,000,000)			(296,000,000)
Gain on Outdoor Americas IPO				313,000,000
Net earnings (loss)	2,959,000,000				2,959,000,000
Other comprehensive income (loss)	(190,000,000)					(190,000,000)
Class B Common Stock purchased, value							(3,612,000,000)
Outdoor Americas Split-Off	(2,721,000,000)						(2,721,000,000)
Shares paid for tax withholding for stock-based compensation							(146,000,000)
Issuance of stock for deferred compensation							1,000,000
Balance, end of year at Dec. 31, 2014	$ 6,970,000,000	$ 0	$ 1,000,000	44,041,000,000	(21,931,000,000)	(735,000,000)	$ (14,406,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Outdoor Americas Split-Off, shares							45,000,000
Conversion of A into B shares, shares	100,000	0	0
Restricted stock unit vests, shares			4,000,000
Exercise of stock options, shares	5,723,239		6,000,000
Class B Common Stock purchased, shares	51,700,000						52,000,000
Shares paid for tax withholding for stock-based compensation, shares							2,000,000
Issuance of stock for deferred compensation, shares							0
Retirement of treasury stock, shares			(2,000,000)				(2,000,000)
Balance, end of year, shares at Dec. 31, 2015		38,000,000	826,000,000				401,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of A shares into B shares		$ 0	$ 0
Stock-based compensation				174,000,000
Tax benefit related to employee stock-based transactions				87,000,000
Restricted stock unit vests			0
Exercise of stock options			0	142,000,000
Retirement of treasury stock			0	(96,000,000)			$ 96,000,000
Dividends	$ (293,000,000)			(293,000,000)
Gain on Outdoor Americas IPO				0
Net earnings (loss)	1,413,000,000				1,413,000,000
Other comprehensive income (loss)	(35,000,000)					(35,000,000)
Class B Common Stock purchased, value	(2,800,000,000)						(2,800,000,000)
Outdoor Americas Split-Off	0						0
Shares paid for tax withholding for stock-based compensation							(96,000,000)
Issuance of stock for deferred compensation							1,000,000
Balance, end of year at Dec. 31, 2015	$ 5,563,000,000	$ 0	$ 1,000,000	$ 44,055,000,000	$ (20,518,000,000)	$ (770,000,000)	$ (17,205,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Outdoor Americas Split-Off, shares							0