Taxes on Income (Temporary Differences That Created Deferred Tax Assets and Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Deferred tax assets:
Employee compensation, severance, and benefits	$ 190		$ 189
Facilities lease commitments	33		35
Reserves and allowances	30		37
State and local taxes	12
Net operating loss carryforwards	6		6
Total deferred tax assets	271		267
Valuation allowance	(4)		(3)
Deferred tax assets - net of valuation allowance	267		264
Deferred tax liabilities:
Depreciation and amortization	(142)		(166)
Capitalized internal-use software development costs	(62)		(50)
Deferred cancellation of debt income	(11)		(11)
Deferred loan costs	(10)		(15)
Deferred Senior Note exchange	(7)		(6)
Net unrealized gain on securities available for sale	(5)		(179)
Other	(2)		(7)
Total deferred tax liabilities	(239)		(434)
Deferred tax asset (liability) – net	$ 28	[1]	$ (170)	[1]

[1] Amounts are included in other assets and in accrued expenses and other liabilities at December 31, 2013 and 2012, respectively.