Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Activities:
Net income	$ 1,466	$ 492	$ 934
Less: income (loss) from discontinued operations	563	(234)	308
Net income from continuing operations	903	726	626
Adjustments to reconcile income from continuing operations to cash provided by operating activities from continuing operations:
Depreciation	86	93	93
Amortization of intangibles	51	48	33
Provision for losses on accounts receivable	22	32	6
Deferred income taxes	43	53	17
Stock-based compensation	99	93	77
Gain on dispositions, net	(24)	0	(13)
Other	136	16	63
Changes in operating assets and liabilities, net of effect of acquisitions and dispositions:
Accounts receivable	(35)	(239)	14
Prepaid and other current assets	(29)	3	(16)
Accounts payable and accrued expenses	(93)	60	(29)
Unearned revenue	108	17	44
Other current liabilities	(89)	(70)	(52)
Net change in prepaid / accrued income taxes	(238)	119	55
Net change in other assets and liabilities	(124)	(204)	6
Cash provided by operating activities from continuing operations	816	747	924
Investing Activities:
Capital expenditures	(117)	(97)	(92)
Acquisitions, including contingent payments, net of cash acquired	(47)	(177)	(194)
Proceeds from dispositions	51	0	21
Changes in short-term investments	(17)	27	(6)
Cash used for investing activities from continuing operations	(130)	(247)	(271)
Financing Activities:
(Payments on) / additions to short-term debt	(457)	457	0
Payments on senior notes	0	(400)	0
Dividends paid to shareholders	(308)	(984)	(296)
Dividends and other payments paid to noncontrolling interests	(75)	(24)	(23)
Repurchase of treasury shares	(978)	(295)	(1,500)
Exercise of stock options	258	299	139
Contingent payments	(12)	0	0
Purchase of additional CRISIL shares	(214)	0	0
Excess tax benefits from share-based payments	43	42	20
Cash used for financing activities from continuing operations	(1,743)	(905)	(1,660)
Effect of exchange rate changes on cash from continuing operations	(1)	5	(10)
Cash used for continuing operations	(1,058)	(400)	(1,017)
Cash (used for) provided by operating activities	(265)	520	420
Cash provided by (used for) investing activities	2,129	(198)	25
Cash used for financing activities	(25)	(12)	(4)
Effect of exchange rate changes on cash	1	3	(5)
Effect of change in cash and equivalents	0	12	0
Cash provided by discontinued operations	1,840	325	436
Net change in cash and equivalents	782	(75)	(581)
Cash and equivalents at beginning of year	760	835	1,416
Cash and equivalents at end of year	1,542	760	835
Cash paid during the year for:
Interest (including discontinued operations)	50	77	71
Income taxes (including discontinued operations)	$ 787	$ 243	$ 452