Borrowings and Credit Arrangements (Details)	3 Months Ended		12 Months Ended					0 Months Ended			3 Months Ended		3 Months Ended
	Mar. 31, 2012 USD ($)	Mar. 31, 2012 EUR (€)	Dec. 31, 2011 USD ($)	Mar. 31, 2012 Uncommitted Credit Facilities With Two Commercial Japanese Banks [Member] USD ($)	Mar. 31, 2012 Uncommitted Credit Facilities With Two Commercial Japanese Banks [Member] JPY (¥)	Dec. 31, 2011 Uncommitted Credit Facilities With Two Commercial Japanese Banks [Member] USD ($)	Mar. 31, 2012 Senior Notes [Member] USD ($)	May 03, 2012 Credit Facility Two [Member]	Apr. 18, 2012 Credit Facility Two [Member] USD ($)	Apr. 18, 2012 Credit Facility Two [Member] Covenant Requirement [Member]	Mar. 31, 2012 Credit and security facility secured by our U.S. trade receivables [Member] USD ($)	Dec. 31, 2011 Credit and security facility secured by our U.S. trade receivables [Member] USD ($)	Mar. 31, 2012 Revolving credit facility [Member] USD ($)	Dec. 31, 2011 Revolving credit facility [Member] USD ($)	Mar. 31, 2012 Revolving credit facility [Member] Covenant Requirement [Member]	Mar. 31, 2012 Revolving credit facility [Member] Actual, Covenant [Member]	Mar. 31, 2012 Uncommitted Credit Facilities With Two Commercial Japanese Banks [Member]
Schedule of debt maturities
Payments due, 2012
Payments due, 2013
Payments due, 2014	600,000,000						600,000,000
Payments due, 2015	1,250,000,000						1,250,000,000
Payments due, 2016	600,000,000
Payments due, Thereafter	1,750,000,000						1,750,000,000
Payments due, Total	4,200,000,000						4,200,000,000
Summary of compliance with debt covenants
Maximum Leverage Ratio										3.5					3.5	2.4
Minimum interest coverage ratio										3.0					3.0	6.5
Borrowings and Credit Arrangements (Textuals) [Abstract]
Total debt	4,259,000,000		4,261,000,000
Revolving credit facility									2,000,000,000		350,000,000		2,000,000,000
Interest Margin above LIBOR, Minimum									0.875%				1.55%
Interest Margin above LIBOR, Maximum									1.475%				2.625%
Line of Credit Facility, Current Interest Rate								1.275%
Current interest rate on revolving credit facility													2.05%
Commitment fee percentage								0.225%					0.45%
Amount borrowed under credit facilities											120,000,000
Line of Credit Facility, Amount Outstanding											0	0	0	0
Line of Credit Facility, Decrease, Repayments											120,000,000
Amount of exclusions from EBITDA related to existing restructuring plans													258,000,000
Amount of exclusions from EBITDA related to future restructuring initiatives													300,000,000
Restructuring charges remaining to be excluded from calculation of consolidated EBITDA													324,000,000
Amount of exclusions from EBITDA related to litigation charges recorded as of March 31, 2010													1,310,000,000
Amount of exclusions from EBITDA related to future litigation charges and payments													1,500,000,000
Legal payments remaining to be excluded from calculation of consolidated EBITDA													1,808,000,000
Senior notes	4,200,000,000		4,200,000,000
Maximum amount of proceeds from sale of finance receivables	305,000,000	230,000,000		225,000,000	18,500,000,000
De-recognized receivables	390,000,000		390,000,000	179,000,000		188,000,000
Average interest rate of de-recognized receivables	3.50%	3.50%	3.30%
Average discounted rates of notes receivables						1.70%											1.90%
Litigation and Debt Exclusion from EBITDA									2,300,000,000
Exclusion from EBITDA for Restructuring Charges									$ 500,000,000