Employee Incentive, Retirement, and Deferred Compensation Plans (Retirement and Deferred Compensation Plans Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Employee Incentive, Retirement, and Deferred Compensation Plans [Abstract]
Company's total contribution expense	$ 63	$ 59	$ 53
Deferred compensation liability	$ 135	$ 127