Income Tax - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 USD ($)	Jun. 30, 2012 EUR (€)	Jun. 30, 2011	Jun. 30, 2012 Minimum USD ($)	Jun. 30, 2012 Maximum USD ($)	May 31, 2012 ES USD ($)	May 31, 2012 ES EUR (€)
Reconciliation Of Income Taxes [Line Items]
Federal statutory income tax rate	16.50%	28.80%	23.10%	23.10%	26.40%
Court judgment, tax payment to foreign tax authorities								$ 20	€ 15
Reimbursement of pre-acquisition income tax contingencies and liabilities from Pernod			18	14
Unrecognized tax benefits recorded as a result of Spain audit settlement and foreign statute expirations			6
Decrease in reasonable unrecognized tax benefits						$ 4	$ 48