Supplementary Information - Condensed Consolidating Financial Statements - Statement of Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Consolidated Statement of Operations
Revenues	$ 6,243	$ 6,042	$ 19,834	$ 18,857
Costs of revenues	(3,681)	(3,158)	(11,457)	(10,508)
Selling, general and administrative	(1,226)	(1,157)	(3,713)	(3,626)
Amortization of intangible assets	(52)	(50)	(152)	(151)
Restructuring and severance costs	(303)	(56)	(346)	(132)
Asset impairments	(5)	(5)	(31)	(35)
Gain (loss) on operating assets, net	(5)	113	451	130
Operating income	971	1,729	4,586	4,535
Equity in pretax income (loss) of consolidated subsidiaries	0	0	0	0
Interest expense, net	(307)	(300)	(868)	(889)
Other income (loss), net	(135)	(20)	(140)	(60)
Income from continuing operations before income taxes	529	1,409	3,578	3,586
Income tax (provision) benefit	437	(451)	(404)	(1,166)
Income from continuing operations	966	958	3,174	2,420
Discontinued operations, net of tax	1	225	(65)	288
Net income	967	1,183	3,109	2,708
Less Net loss attributable to noncontrolling interests	0	0	0	0
Net income attributable to Time Warner Inc. shareholders	967	1,183	3,109	2,708
Comprehensive income	930	1,211	3,016	2,624
Less Comprehensive loss attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to Time Warner Inc. shareholders	930	1,211	3,016	2,624
Eliminations [Member]
Consolidated Statement of Operations
Revenues	(209)	(106)	(576)	(397)
Costs of revenues	186	74	510	315
Selling, general and administrative	22	32	65	77
Amortization of intangible assets	0	0	0	0
Restructuring and severance costs	0	0	0	0
Asset impairments	0	0	0	0
Gain (loss) on operating assets, net	0	0	0	0
Operating income	(1)	0	(1)	(5)
Equity in pretax income (loss) of consolidated subsidiaries	(1,948)	(3,337)	(8,758)	(8,866)
Interest expense, net	3	3	7	8
Other income (loss), net	0	(2)	(1)	(2)
Income from continuing operations before income taxes	(1,946)	(3,336)	(8,753)	(8,865)
Income tax (provision) benefit	340	1,060	2,419	2,912
Income from continuing operations	(1,606)	(2,276)	(6,334)	(5,953)
Discontinued operations, net of tax	1	(455)	105	(576)
Net income	(1,605)	(2,731)	(6,229)	(6,529)
Less Net loss attributable to noncontrolling interests	0	0	0	0
Net income attributable to Time Warner Inc. shareholders	(1,605)	(2,731)	(6,229)	(6,529)
Comprehensive income	(1,531)	(2,741)	(6,058)	(6,418)
Less Comprehensive loss attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to Time Warner Inc. shareholders	(1,531)	(2,741)	(6,058)	(6,418)
Parent Company [Member]
Consolidated Statement of Operations
Revenues	0	0	0	0
Costs of revenues	0	0	0	0
Selling, general and administrative	(97)	(99)	(336)	(299)
Amortization of intangible assets	0	0	0	0
Restructuring and severance costs	(12)	0	(16)	(2)
Asset impairments	(1)	0	(7)	(7)
Gain (loss) on operating assets, net	0	0	0	8
Operating income	(110)	(99)	(359)	(300)
Equity in pretax income (loss) of consolidated subsidiaries	890	1,741	4,651	4,567
Interest expense, net	(248)	(221)	(716)	(662)
Other income (loss), net	(3)	(12)	2	(19)
Income from continuing operations before income taxes	529	1,409	3,578	3,586
Income tax (provision) benefit	437	(451)	(404)	(1,166)
Income from continuing operations	966	958	3,174	2,420
Discontinued operations, net of tax	1	225	(65)	288
Net income	967	1,183	3,109	2,708
Less Net loss attributable to noncontrolling interests	0	0	0	0
Net income attributable to Time Warner Inc. shareholders	967	1,183	3,109	2,708
Comprehensive income	930	1,211	3,016	2,624
Less Comprehensive loss attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to Time Warner Inc. shareholders	930	1,211	3,016	2,624
Guarantor Subsidiaries [Member]
Consolidated Statement of Operations
Revenues	1,634	1,540	5,146	4,752
Costs of revenues	(891)	(651)	(2,503)	(2,123)
Selling, general and administrative	(256)	(221)	(735)	(717)
Amortization of intangible assets	0	0	0	0
Restructuring and severance costs	(136)	(45)	(156)	(63)
Asset impairments	0	0	0	0
Gain (loss) on operating assets, net	(5)	0	(5)	0
Operating income	346	623	1,747	1,849
Equity in pretax income (loss) of consolidated subsidiaries	695	1,196	2,747	3,048
Interest expense, net	(78)	(78)	(196)	(247)
Other income (loss), net	(4)	(2)	11	(1)
Income from continuing operations before income taxes	959	1,739	4,309	4,649
Income tax (provision) benefit	(144)	(554)	(1,261)	(1,518)
Income from continuing operations	815	1,185	3,048	3,131
Discontinued operations, net of tax	(1)	228	(42)	288
Net income	814	1,413	3,006	3,419
Less Net loss attributable to noncontrolling interests	0	0	0	0
Net income attributable to Time Warner Inc. shareholders	814	1,413	3,006	3,419
Comprehensive income	779	1,429	2,926	3,363
Less Comprehensive loss attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to Time Warner Inc. shareholders	779	1,429	2,926	3,363
Non-Guarantor Subsidiaries [Member]
Consolidated Statement of Operations
Revenues	4,818	4,608	15,264	14,502
Costs of revenues	(2,976)	(2,581)	(9,464)	(8,700)
Selling, general and administrative	(895)	(869)	(2,707)	(2,687)
Amortization of intangible assets	(52)	(50)	(152)	(151)
Restructuring and severance costs	(155)	(11)	(174)	(67)
Asset impairments	(4)	(5)	(24)	(28)
Gain (loss) on operating assets, net	0	113	456	122
Operating income	736	1,205	3,199	2,991
Equity in pretax income (loss) of consolidated subsidiaries	363	400	1,360	1,251
Interest expense, net	16	(4)	37	12
Other income (loss), net	(128)	(4)	(152)	(38)
Income from continuing operations before income taxes	987	1,597	4,444	4,216
Income tax (provision) benefit	(196)	(506)	(1,158)	(1,394)
Income from continuing operations	791	1,091	3,286	2,822
Discontinued operations, net of tax	0	227	(63)	288
Net income	791	1,318	3,223	3,110
Less Net loss attributable to noncontrolling interests	0	0	0	0
Net income attributable to Time Warner Inc. shareholders	791	1,318	3,223	3,110
Comprehensive income	752	1,312	3,132	3,055
Less Comprehensive loss attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to Time Warner Inc. shareholders	$ 752	$ 1,312	$ 3,132	$ 3,055