Contingencies (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
FCPA [Member]
Loss Contingency Accrual, Period Increase (Decrease)	$ 46
Assessment for 2002 [Member]
Assessment of contingencies, including penalties and accruing interest, reduced	30
Assessment of contingencies, prior to reductions	72
IPI [Member] | Assessment for 2012 [Member]
Assessment of contingencies, including penalties and accruing interest	386
PIS [Member] | Assessment for 2012 [Member]
Assessment of contingencies, including penalties and accruing interest	57
COFINS [Member] | Assessment for 2012 [Member]
Assessment of contingencies, including penalties and accruing interest	266
DOJ [Member]
Estimated Litigation Liability	135
DOJ [Member] | FCPA [Member]
Estimated Litigation Liability	68
SEC [Member] | FCPA [Member]
Estimated Litigation Liability	$ 67