Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating Activities:
Net income	$ 755	$ 127
Less: discontinued operations, net	581	(36)
Net income from continuing operations	174	163
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation (including amortization of technology projects)	23	22
Amortization of intangibles	12	9
Provision for losses on accounts receivable	11	4
Deferred income taxes	1	2
Stock-based compensation	21	17
Other	87	19
Changes in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable	(46)	(47)
Prepaid and other current assets	(25)	(13)
Accounts payable and accrued expenses	(242)	(189)
Unearned revenue	63	8
Other current liabilities	14	(6)
Net change in prepaid/accrued income taxes	(148)	53
Net change in other assets and liabilities	8	(16)
Cash provided by operating activities from continuing operations	(47)	26
Investing Activities:
Capital expenditures	(22)	(10)
Acquisitions, net of cash acquired	0	(16)
Changes in short-term investments	0	5
Cash used for investing activities from continuing operations	(22)	(21)
Financing Activities:
Repayments of short-term debt	(457)	0
Dividends paid to shareholders	(79)	(74)
Dividends paid to noncontrolling interests	(17)	0
Repurchase of treasury shares	(500)	0
Exercise of stock options	74	112
Excess tax benefits from share-based payments	8	5
Cash (used for) provided by financing activities from continuing operations	(971)	43
Effect of exchange rate changes on cash from continuing operations	(23)	6
Cash used for continuing operations	(1,063)	54
Cash provided by operating activities	73	(50)
Cash used for investing activities	2,159	(43)
Cash used for financing activities	(25)	(1)
Effect of exchange rate changes on cash	1	4
Effect of change in cash and equivalents	0	7
Cash provided by discontinued operations	2,208	(83)
Net change in cash and equivalents	1,145	(29)
Cash and equivalents at beginning of period	760	835
Cash and equivalents at end of period	$ 1,905	$ 806