Derivatives and Hedging Derivatives gains (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Derivative Instruments, Gain (Loss)
Amount of Gain (Loss) Recognized in Income on Derivative	$ (6)		$ 1		$ (19)		$ (8)
Derivatives accounted for as hedges [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss)
Gain (Loss) recognized in Accumulated Other Comprehensive Loss:	(3)		0		4		(28)
Gain (Loss) reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion):	4		(10)		(16)		(8)
Derivatives accounted for as hedges [Member] | Cash Flow Hedging [Member] | Compensation and Benefits [Member]
Derivative Instruments, Gain (Loss)
Gain (Loss) recognized in Accumulated Other Comprehensive Loss:	(2)		(3)		14		(17)
Derivatives accounted for as hedges [Member] | Cash Flow Hedging [Member] | Other Income [Member]
Derivative Instruments, Gain (Loss)
Gain (Loss) recognized in Accumulated Other Comprehensive Loss:	2		3		(9)		(11)
Derivatives accounted for as hedges [Member] | Cash Flow Hedging [Member] | Sponsorship Fees [Member]
Derivative Instruments, Gain (Loss)
Gain (Loss) recognized in Accumulated Other Comprehensive Loss:	(3)				(1)
Derivatives accounted for as hedges [Member] | Interest rate contracts [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss)
Gain (Loss) recognized in Accumulated Other Comprehensive Loss:	0	[1]	0	[1]	0	[1]	0	[1]
Gain (Loss) reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion):	0	[2]	0	[2]	(1)	[2]	(1)	[2]
Derivatives accounted for as hedges [Member] | Foreign exchange contracts [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss)
Gain (Loss) recognized in Accumulated Other Comprehensive Loss:	(3)	[3]	0	[3]	4	[3]	(28)	[3]
Gain (Loss) reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion):	4	[4]	(10)	[4]	(15)	[4]	(7)	[4]
Derivatives accounted for as hedges [Member] | Foreign exchange contracts [Member] | Cash Flow Hedging [Member] | Compensation and Benefits [Member]
Derivative Instruments, Gain (Loss)
Gain (Loss) reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion):	(1)		(5)		(4)		(9)
Derivatives accounted for as hedges [Member] | Foreign exchange contracts [Member] | Cash Flow Hedging [Member] | Other Income [Member]
Derivative Instruments, Gain (Loss)
Gain (Loss) reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion):	5		(5)		(6)		3
Derivatives accounted for as hedges [Member] | Foreign exchange contracts [Member] | Cash Flow Hedging [Member] | Sponsorship Fees [Member]
Derivative Instruments, Gain (Loss)
Gain (Loss) reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion):	3				3		(1)
Derivatives accounted for as hedges [Member] | Foreign exchange contracts [Member] | Cash Flow Hedging [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss)
Gain (Loss) reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion):	(3)				(8)
Derivatives accounted for as hedges [Member] | Foreign exchange contracts [Member] | Fair value hedges
Derivative Instruments, Gain (Loss)
Amount of Gain (Loss) Recognized in Income on Derivative	(9)	[5],[6]	(7)	[5],[6]	(9)	[5],[6]	(8)	[5],[6]
Amount of Gain (Loss) Recognized in Income on Related Hedged Item	$ 9	[6]	$ 7	[6]	$ 9	[5],[6]	$ 8	[5],[6]

[1] Location of future reclassification from Accumulated Other Comprehensive Loss will be included within Interest expense

[2] Included within Interest expense

[3] Location of future reclassification from Accumulated Other Comprehensive Loss will be included within Compensation and benefits ($2 million and $3 million loss for the three months ended September 30, 2014 and 2013, respectively, and $14 million gain and $17 million loss for the nine months ended September 30, 2014 and 2013, respectively), Other income ($2 million and $3 million gain for the three months ended September 30, 2014 and 2013, respectively, and $9 million and $11 million loss for the nine months ended September 30, 2014 and 2013, respectively), and Other general expenses ($3 million and $1 million loss for the three and nine months ended September 30, 2014, respectively).

[4] Included within Compensation and benefits ($1 million and $5 million loss for the three months ended September 30, 2014 and 2013, respectively, and $4 million and $9 million loss for the nine months ended September 30, 2014 and 2013, respectively), Other income ($5 million gain and $5 million loss for the three months ended September 30, 2014 and 2013, respectively, and $6 million loss and $3 million gain for the nine months ended September 30, 2014 and 2013, respectively), Interest expenses ($3 million and $8 million loss for the three and nine months ended September 30, 2014, respectively), and Other general expenses ($3 million gain for the three months ended September 30, 2014, and $3 million gain and $1 million loss for the nine months ended September 30, 2014 and 2013, respectively).

[5] Relates to fixed rate debt.

[6] Included in Interest expense.