Employee Benefits (Amounts Recognized In The Consolidated Statement Of Condition) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Accumulated other comprehensive loss	$ (95)	$ 360	$ (659)
Primary U.S. And Non-U.S. Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Non-current assets	124	40
Current liabilities	(1)	(1)
Noncurrent liabilities	(83)	(93)
Net accrued amount recognized in statement of condition	40	(54)
Prior service credit	(1)		0
Net loss	(263)	(365)
Accumulated other comprehensive loss	(264)	(365)
Cumulative employer contributions in excess of net periodic benefit cost	304	311
Net obligation recognized in consolidated statement of condition	40	(54)
Accumulated benefit obligation	1,051	1,105
Used to determine benefit obligations, Discount rate	4.75%	3.75%
Used to determine periodic benefit cost, Discount rate	3.75%	4.50%
Used to determine periodic benefit cost, Expected long-term rate of return on plan assets	6.75%	6.75%
Assumed health care cost trend rates, Cost trend rate assumed for next year	0.00%	0.00%
Assumed health care cost trend rates, Rate to which the cost trend rate is assumed to decline	0.00%	0.00%
Post-Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Non-current assets	0	0
Current liabilities	(7)	(8)
Noncurrent liabilities	(101)	(124)
Net accrued amount recognized in statement of condition	(108)	(132)
Prior service credit	2		3
Net loss	(16)	(49)
Accumulated other comprehensive loss	(14)	(46)
Cumulative employer contributions in excess of net periodic benefit cost	(94)	(86)
Net obligation recognized in consolidated statement of condition	(108)	(132)
Accumulated benefit obligation	$ 0	$ 0
Used to determine benefit obligations, Discount rate	4.75%	3.75%
Used to determine periodic benefit cost, Discount rate	3.75%	4.50%
Used to determine periodic benefit cost, Expected long-term rate of return on plan assets	0.00%	0.00%
Assumed health care cost trend rates, Cost trend rate assumed for next year	7.95%	8.08%
Assumed health care cost trend rates, Rate to which the cost trend rate is assumed to decline	4.50%	4.50%
Assumed health care cost trend rates, Year that the rate reaches the ultimate trend rate	2029	2029