Debt (Details)				3 Months Ended																	1 Months Ended
	Jun. 30, 2011 USD ($)	Dec. 31, 2010 USD ($)	Jun. 30, 2010 USD ($)	Jun. 30, 2011 Secured Credit Agreement USD ($)	Jun. 30, 2011 Revolving Loans USD ($)	Jun. 30, 2011 Term Loan A (170 million AUD at June 30, 2011) USD ($)	Jun. 30, 2011 Term Loan A (170 million AUD at June 30, 2011) AUD	Jun. 30, 2011 Term Loan B USD ($)	Jun. 30, 2011 Term Loan C (116 million CAD at June 30, 2011) USD ($)	Jun. 30, 2011 Term Loan C (116 million CAD at June 30, 2011) CAD	Jun. 30, 2011 Term Loan D (EUR 141 million at June 30, 2011) USD ($)	Jun. 30, 2011 Term Loan D (EUR 141 million at June 30, 2011) EUR (€)	Dec. 31, 2010 Fourth Amended and Restated Secured Credit Agreement, Term Loan A USD ($)	Jun. 30, 2010 Fourth Amended and Restated Secured Credit Agreement, Term Loan A USD ($)	Dec. 31, 2010 Fourth Amended and Restated Secured Credit Agreement, Term Loan B USD ($)	Jun. 30, 2010 Fourth Amended and Restated Secured Credit Agreement, Term Loan B USD ($)	Dec. 31, 2010 Fourth Amended and Restated Secured Credit Agreement, Term Loan C USD ($)	Jun. 30, 2010 Fourth Amended and Restated Secured Credit Agreement, Term Loan C USD ($)	Dec. 31, 2010 Fourth Amended and Restated Secured Credit Agreement, Term Loan D USD ($)	Jun. 30, 2010 Fourth Amended and Restated Secured Credit Agreement, Term Loan D USD ($)	May 31, 2011 Senior Notes 6.75%, due 2014 USD ($)	Dec. 31, 2010 Senior Notes 6.75%, due 2014 USD ($)	Jun. 30, 2010 Senior Notes 6.75%, due 2014 USD ($)	Dec. 31, 2010 Senior Notes 6.75%, due 2014 (225 million EUR) USD ($)	Dec. 31, 2010 Senior Notes 6.75%, due 2014 (225 million EUR) EUR (€)	Jun. 30, 2010 Senior Notes 6.75%, due 2014 (225 million EUR) USD ($)	Jun. 30, 2011 Senior Notes 3.00%, Exchangeable, due 2015 USD ($)	Dec. 31, 2010 Senior Notes 3.00%, Exchangeable, due 2015 USD ($)	Jun. 30, 2010 Senior Notes 3.00%, Exchangeable, due 2015 USD ($)	Jun. 30, 2011 Senior Notes 7.375%, due 2016 USD ($)	Dec. 31, 2010 Senior Notes 7.375%, due 2016 USD ($)	Jun. 30, 2010 Senior Notes 7.375%, due 2016 USD ($)	Jun. 30, 2011 Senior Notes 6.875%, due 2017 (300 million EUR) USD ($)	Jun. 30, 2011 Senior Notes 6.875%, due 2017 (300 million EUR) EUR (€)	Dec. 31, 2010 Senior Notes 6.875%, due 2017 (300 million EUR) USD ($)	Jun. 30, 2010 Senior Notes 6.875%, due 2017 (300 million EUR) USD ($)	Jun. 30, 2011 Senior Notes 6.75%, due 2020 (500 million EUR) USD ($)	Jun. 30, 2011 Senior Notes 6.75%, due 2020 (500 million EUR) EUR (€)	Dec. 31, 2010 Senior Notes 6.75%, due 2020 (500 million EUR) USD ($)	Jun. 30, 2011 Senior Debentures 7.80%, due 2018 USD ($)	Dec. 31, 2010 Senior Debentures 7.80%, due 2018 USD ($)	Jun. 30, 2010 Senior Debentures 7.80%, due 2018 USD ($)	Jun. 30, 2011 Other debt USD ($)	Dec. 31, 2010 Other debt USD ($)	Jun. 30, 2010 Other debt USD ($)	Jun. 30, 2011 Accounts Receivable Securitization Programs USD ($)	Dec. 31, 2010 Accounts Receivable Securitization Programs USD ($)	Jun. 30, 2010 Accounts Receivable Securitization Programs USD ($)	Oct. 31, 2006 European Accounts Receivable Securitization Program EUR (€)
Debt Instrument
Total long-term debt	$ 4,005,000,000	$ 4,021,000,000	$ 3,244,000,000		$ 125,000,000	$ 183,000,000	170,000,000	$ 600,000,000	$ 120,000,000	116,000,000	$ 205,000,000	€ 141,000,000	$ 92,000,000	$ 136,000,000	$ 190,000,000	$ 190,000,000	$ 111,000,000	$ 105,000,000	$ 253,000,000	$ 231,000,000		$ 400,000,000	$ 400,000,000	$ 300,000,000		$ 275,000,000	$ 615,000,000	$ 607,000,000	$ 599,000,000	$ 586,000,000	$ 585,000,000	$ 584,000,000	$ 435,000,000		$ 401,000,000	$ 366,000,000	$ 725,000,000		$ 668,000,000	$ 250,000,000	$ 250,000,000	$ 250,000,000	$ 161,000,000	$ 164,000,000	$ 108,000,000
Less amounts due within one year	36,000,000	97,000,000	16,000,000
Long-term debt	3,969,000,000	3,924,000,000	3,228,000,000
Interest rate, stated percentage (as a percent)																						6.75%		6.75%	6.75%		3.00%			7.375%			6.875%	6.875%			6.75%	6.75%		7.80%
Face Value																									225,000,000									300,000,000				500,000,000
Additional interest charges																					25,000,000
Maximum Borrowing Capacity					900,000,000																																												250,000,000
Unused Credit				631,000,000
Interest rate margin, Eurocurrency Rate loans, low end of range (as a percent)				1.25%
Interest rate margin, Eurocurrency Rate loans, high end of range (as a percent)				2.00%
Interest rate margin, Base Rate loans, low end of range (as a percent)				0.25%
Interest rate margin, Base Rate loans, high end of range (as a percent)				1.00%
Facility fee payable, low end of range (as a percent)				0.25%
Facility fee payable, high end of range (as a percent)				0.50%
Weighted Average Interest Rate (as a percent)				2.89%
Short-term loans and long-term debt due within one year	371,000,000	354,000,000	272,000,000																																											312,000,000	247,000,000	234,000,000
Weighted Average Interest Rate, Short-term Debt (as a percent)																																														2.69%	2.40%	2.26%
Principal Amount																											690,000,000			600,000,000			435,000,000				725,000,000			250,000,000
Indicated Market Price																											98.76			108.75			101.13				100.29			108.00
Fair Value																											$ 681,000,000			$ 653,000,000			$ 440,000,000				$ 727,000,000			$ 270,000,000