Schedule II - Valuation And Qualifying Accounts (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Doubtful Accounts - Current [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 119		$ 126		$ 129
Additions Charged to Earnings	45		17		18
Additions Charged to Other Accounts	0		0		0
Deductions from Reserves	(55)	[1]	(24)	[1]	(21)	[1]
Balance at End of Period	109		119		126
Restructuring Reserves [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	19		15		14
Additions Charged to Earnings	63		31		25
Additions Charged to Other Accounts	0		0		0
Deductions from Reserves	(30)	[2]	(27)	[2]	(24)	[2]
Balance at End of Period	$ 52		$ 19		$ 15

[1] Includes write-offs, less recoveries, of accounts determined to be uncollectible and other adjustments.

[2] Includes payments and deductions for reversals of previously established reserves that were no longer required.