Debt (Details)	12 Months Ended							12 Months Ended					12 Months Ended		12 Months Ended			12 Months Ended			1 Months Ended	12 Months Ended												12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2012 Secured Credit Agreement USD ($)	Dec. 31, 2012 Secured Credit Agreement Minimum	Dec. 31, 2012 Secured Credit Agreement Maximum	Dec. 31, 2012 Revolving Loans USD ($)	Dec. 31, 2012 Revolving Loans Minimum	Dec. 31, 2012 Revolving Loans Maximum	Dec. 31, 2012 Term Loan A (51 million AUD at December 31, 2012) AUD	Dec. 31, 2012 Term Loan A (51 million AUD at December 31, 2012) USD ($)	Dec. 31, 2011 Term Loan A (51 million AUD at December 31, 2012) USD ($)	Dec. 31, 2012 Term Loan B USD ($)	Dec. 31, 2011 Term Loan B USD ($)	Dec. 31, 2012 Term Loan C (102 million CAD at December 31, 2012) CAD	Dec. 31, 2012 Term Loan C (102 million CAD at December 31, 2012) USD ($)	Dec. 31, 2011 Term Loan C (102 million CAD at December 31, 2012) USD ($)	Dec. 31, 2012 Term Loan D (123 million EUR at December 31, 2012) EUR (€)	Dec. 31, 2012 Term Loan D (123 million EUR at December 31, 2012) USD ($)	Dec. 31, 2011 Term Loan D (123 million EUR at December 31, 2012) USD ($)	May 31, 2010 Senior Notes 3.00%, Exchangeable, due 2015 USD ($)	Dec. 31, 2012 Senior Notes 3.00%, Exchangeable, due 2015 USD ($) item	Dec. 31, 2011 Senior Notes 3.00%, Exchangeable, due 2015 USD ($)	Dec. 31, 2012 Senior Notes 7.375%, due 2016 USD ($)	Dec. 31, 2011 Senior Notes 7.375%, due 2016 USD ($)	Dec. 31, 2012 Senior Notes 6.875%, due 2017 (300 million EUR) USD ($)	Dec. 31, 2012 Senior Notes 6.875%, due 2017 (300 million EUR) EUR (€)	Dec. 31, 2011 Senior Notes 6.875%, due 2017 (300 million EUR) USD ($)	Dec. 31, 2012 Senior Notes 6.75%, due 2020 (500 million EUR) USD ($)	Dec. 31, 2012 Senior Notes 6.75%, due 2020 (500 million EUR) EUR (€)	Dec. 31, 2011 Senior Notes 6.75%, due 2020 (500 million EUR) USD ($)	Dec. 31, 2012 Senior Debentures 7.80%, due 2018 USD ($)	Dec. 31, 2011 Senior Debentures 7.80%, due 2018 USD ($)	Dec. 31, 2011 Other debt USD ($)	Dec. 31, 2012 Other debt USD ($)	Dec. 31, 2012 Accounts Receivable Securitization Programs USD ($)	Dec. 31, 2011 Accounts Receivable Securitization Programs USD ($)	Dec. 31, 2012 European Accounts Receivable Securitization Program EUR (€)
Debt Instrument
Total long-term debt	$ 3,477,000,000	$ 3,703,000,000					$ 0			51,000,000	$ 53,000,000	$ 173,000,000	$ 525,000,000	$ 600,000,000	102,000,000	$ 102,000,000	$ 114,000,000	€ 123,000,000	$ 163,000,000	$ 182,000,000		$ 642,000,000	$ 624,000,000	$ 591,000,000	$ 588,000,000	$ 396,000,000	€ 300,000,000	$ 388,000,000	$ 660,000,000	€ 500,000,000	$ 647,000,000	$ 250,000,000	$ 250,000,000	$ 137,000,000	$ 95,000,000
Less amounts due within one year	23,000,000	76,000,000
Long-term debt	3,454,000,000	3,627,000,000
Interest rate, stated percentage																						3.00%		7.375%		6.875%	6.875%		6.75%	6.75%		7.80%
Maximum Borrowing Capacity							900,000,000																															240,000,000
Weighted Average Interest Rate (as a percent)				2.33%
Unused Credit				796,000,000
Short-term loans and long-term debt due within one year	319,000,000	406,000,000																																		264,000,000	281,000,000
Weighted Average Interest Rate, Short-term Debt (as a percent)																																				1.33%	2.41%
Principal Amount																						690,000,000	690,000,000	600,000,000		396,000,000			660,000,000			250,000,000
Indicated Market Price (in dollars per share)																						$ 99.34		$ 114.50		$ 103.86			$ 114.01			$ 112.44
Fair Value																						685,000,000		687,000,000		411,000,000			752,000,000			281,000,000
Interest rate margin, Eurocurrency Rate loans (as a percent)					1.25%	2.00%
Face Value																					690,000,000
Interest rate margin, Base Rate loans (as a percent)					0.25%	1.00%
Facility fee payable (as a percent)								0.25%	0.50%
Exchange price of 2015 exchangeable notes (in dollars per share)	$ 47.47	$ 47.47																				$ 47.47
Exchange rate per $1,000 principal amount (in shares per $1,000 principal)																						21.0642
Exchangeable debt principal amount, basis for exchange, denominator																						1,000
Minimum stock price that must be exceeded for exchangeable notes to be exchanged (in dollars per share)																						$ 61.71
Percentage of the exchange price used to determine the minimum stock price that must be exceeded for exchangeable notes to be exchanged																						130.00%
Percentage of the average exchange value below which the notes may become exchangeable into shares																						98.00%
Actual percentage of the average exchange value																						222.00%
Company's non-exchangeable debt borrowing rate, percent																						6.15%
Unamortized discount on exchangeable notes																						48,000,000	66,000,000
Carrying amount of equity component																						93,000,000	93,000,000
Contractual coupon interest																						21,000,000	21,000,000
Amortization of discount on exchangeable notes																						18,000,000	17,000,000
Total interest expense	248,000,000	314,000,000	249,000,000																			39,000,000	38,000,000
Capital lease obligations capitalized																																		1,000,000
Company's subsidiary repayment of debt										119,000,000			$ 75,000,000		14,000,000			€ 18,000,000