Stockholders' Equity (Schedule of Components of Other Comprehensive Income (Loss), Net) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Comprehensive Income (Loss) [Line Items]
Unrealized gain (loss) on marketable securities, gross amount	$ 1	[1]	$ 0		$ 0
Unrealized gain (loss) on marketable securities, income tax (provision) benefit	0		0		0
Unrealized gain (loss) on marketable securities, net amount	1		0		0
Foreign currency translation, gross amount	55		13		(29)
Foreign currency translation, income tax (provision) benefit	(35)		(8)		2
Foreign currency translation, net amount	20		5		(27)
Gain (loss) on interest rate swaps, gross amount	9		10	[2]	37	[3]
Gain (loss) on interest rate swaps, income tax (provision) benefit	(3)		(3)		(10)
Gain (loss) on interest rate swaps, net amount	6		7		27
Pension and postretirement benefits, gross amount	88		(12)	[4]	(2)
Pension and postretirement benefits, income tax (provision) benefit	(30)		1		2
Pension and postretirement benefits, net amount	58		(11)		0
Total other comprehensive income (loss), gross amount	153		11		6
Total other comprehensive income (loss), income tax (provision) benefit	(68)		(10)		(6)
Total other comprehensive income (loss), net of tax	85		1		0
Gain (loss) associated with equity method investee marketable securities	1
Gain (loss) recognized in Earnings (loss)	(34)		(26)		(43)
Actuarial gain (loss) from equity method investee			(10)
Equity Method Investments' Derivative [Member]
Comprehensive Income (Loss) [Line Items]
Gain (loss) recognized in Earnings (loss)			$ 2		$ 2

[1] Amount includes $1 million of unrealized gains associated with the Company's equity method investments' marketable securities.

[2] includes $2 million of gains associated with the Company's equity method investments' derivative activity.

[3] Amount includes $2 million of gains associated with the Company's equity method investments' derivative activity.

[4] Amount includes amortization of actuarial losses of $10 million related to the Company's equity method investments' pension plans.Adjustment