Fair Value of Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended																	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Sep. 30, 2014 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member]		Sep. 30, 2014 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]		Sep. 30, 2014 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member]		Sep. 30, 2014 Asset related charges [Member]	Sep. 30, 2014 Other Expense [Member] Asset related charges [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and other asset-related charges	$ 130																	$ 8	$ 3
Assets: [Abstract]
Deposits held in money market funds		54	[1]	9	[1]	54	[1]	9	[1]	0	[1]	0	[1]	0	[1]	0	[1]
Available for sale securities		8	[2]	8	[2]	8	[2]	8	[2]	0	[2]	0	[2]	0	[2]	0	[2]
Foreign exchange contracts		2	[3]	2	[3]	0	[3]	0	[3]	2	[3]	2	[3]	0	[3]	0	[3]
Total assets		64		19		62		17		2		2		0		0
Liabilities: [Abstract]
Interest rate swap		7		10		0		0		7		10		0		0
Foreign exchange contracts		1	[4]	1	[4]	0	[4]	0	[4]	1	[4]	1	[4]	0	[4]	0	[4]
Total liabilities		$ 8		$ 11		$ 0		$ 0		$ 8		$ 11		$ 0		$ 0

[1] Included in Cash and cash equivalents in the Condensed Consolidated Balance Sheet.

[2] Included in Other assets in the Condensed Consolidated Balance Sheet.

[3] Included in Other current assets in the Condensed Consolidated Balance Sheet.

[4] Included in Other current liabilities and Other liabilities in the Condensed Consolidated Balance Sheet.