Long-term Debt and Debt Facility Agreements - Long-term Debt (Parenthetical) (Detail)			12 Months Ended		3 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended															3 Months Ended		12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2013 3.30% Senior Notes due 2021 USD ($)	Dec. 31, 2012 3.30% Senior Notes due 2021 USD ($)	Mar. 31, 2009 4.50% Guaranteed Notes due 2014 EUR (€)	Dec. 31, 2013 4.50% Guaranteed Notes due 2014	Dec. 31, 2012 4.50% Guaranteed Notes due 2014 USD ($)	Dec. 31, 2010 2.75% Guaranteed Notes due 2015 EUR (€)	Dec. 31, 2013 2.75% Guaranteed Notes due 2015 USD ($)	Dec. 31, 2012 2.75% Guaranteed Notes due 2015 USD ($)	Dec. 31, 2013 1.95% Senior Notes due 2016 USD ($)	Dec. 31, 2012 1.95% Senior Notes due 2016 USD ($)	Dec. 31, 2013 4.20% Senior Notes due 2021 USD ($)	Dec. 31, 2012 4.20% Senior Notes due 2021 USD ($)	Dec. 31, 2013 1.25% Senior Notes due 2017 USD ($)	Dec. 31, 2012 1.25% Senior Notes due 2017 USD ($)	Dec. 31, 2013 2.40% Senior Notes due 2022 USD ($)	Dec. 31, 2012 2.40% Senior Notes due 2022 USD ($)	Dec. 31, 2013 2.65% Senior Notes due 2016 USD ($)	Dec. 31, 2012 2.65% Senior Notes due 2016 USD ($)	Dec. 31, 2013 Floating Rate Senior Notes due 2014	Dec. 31, 2012 Floating Rate Senior Notes due 2014 USD ($)	Dec. 31, 2013 Euro Medium Term Note Program EUR (€)	Dec. 31, 2013 Guaranteed Notes One Point Five Zero Percent Due Two Thousand Nineteen USD ($)	Dec. 31, 2013 Guaranteed Notes One Point Five Zero Percent Due Two Thousand Nineteen EUR (€)	Dec. 31, 2013 Guaranteed Notes One Point Five Zero Percent Due Two Thousand Nineteen USD ($)	Dec. 31, 2013 Guaranteed Notes One Point Five Zero Percent Due Two Thousand Nineteen EUR (€)
Proforma Debt Instrument [Line Items]
Debt instrument interest rate			3.30%	0.033%	4.50%	4.50%	0.045%	2.75%	2.75%	0.0275%	1.95%	0.0195%	4.20%	0.042%	1.25%	0.0125%	2.40%	0.024%	2.65%	0.0265%				1.50%	1.50%	1.50%	1.50%
Debt instrument maturity date			2021	2021	2014	2014	2014	2015	2015	2015	2016	2016	2021	2021	2017	2017	2022	2022	2016	2016	2014	2014		2019	2019
Guaranteed notes face amount																							€ 5,000,000,000		€ 500,000,000		€ 500,000,000
Long-term debt, carrying amount	$ 10,393,000,000	$ 9,509,000,000	$ 1,596,000,000	$ 1,595,000,000	€ 1,000,000,000		$ 1,324,000,000	€ 1,000,000,000	$ 1,373,000,000	$ 1,318,000,000	$ 1,099,000,000	$ 1,099,000,000	$ 1,099,000,000	$ 1,099,000,000	$ 999,000,000	$ 999,000,000	$ 999,000,000	$ 998,000,000	$ 500,000,000	$ 500,000,000		$ 300,000,000		$ 697,000,000	€ 500,000,000	$ 697,000,000	€ 500,000,000
Effective interest rate on euro denominated debt						4.95%			2.56%										2.39%
Senior note floating interest rate																					Three-month LIBOR plus 55 basis points					three-month LIBOR plus approximately 64 basis points.	three-month LIBOR plus approximately 64 basis points.
Basis points																					5.50%					6.40%	6.40%