Taxes on Income (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income before taxes domestic and foreign operations
Domestic operations	$ (423)	$ 821	$ 800
Foreign operations	477	478	289
Total continuing income before taxes	54	1,299	1,089
Federal:
Current	285	194	181
Deferred	(213)	51	73
Total federal	72	245	254
Foreign:
Current	135	152	91
Deferred	1	(19)	(9)
Total foreign	136	133	82
State and local:
Current	62	37	38
Deferred	(25)	10	14
Total state and local	37	47	52
Total provision for taxes for continuing operations	245	425	388
Provision for discontinued operations	140	299	27
Total provision for taxes	$ 385	$ 724	$ 415
Reconciliation of federal statutory income tax rate
U.S. federal statutory income tax rate	35.00%	35.00%	35.00%
Legal and regulatory settlements	524.10%	0.00%	0.00%
State and local income taxes	64.20%	2.80%	3.50%
Foreign operations	(79.60%)	(3.90%)	(2.70%)
S&P Dow Jones Indices LLC joint venture	(60.20%)	(2.00%)	(1.10%)
Tax credits and incentives	(91.50%)	(2.10%)	(2.40%)
Other, net	61.70%	2.90%	3.30%
Effective income tax rate for continuing operations	453.70%	32.70%	35.60%