Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Operating Activities:
Net income	$ 590	$ 1,032
Less: discontinued operations, net	0	585
Income from continuing operations	590	447
Adjustments to reconcile income from continuing operations to cash provided by operating activities from continuing operations:
Depreciation	42	45
Amortization of intangibles	24	25
Provision for losses on accounts receivable	0	14
Stock-based compensation	48	47
Other	22	13
Changes in operating assets and liabilities, net of effect of acquisitions and dispositions:
Accounts receivable	(7)	(11)
Prepaid and other current assets	(11)	(9)
Accounts payable and accrued expenses	(251)	(193)
Unearned revenue	11	71
Other current liabilities	(69)	(40)
Net change in prepaid/accrued income taxes	111	(166)
Net change in other assets and liabilities	(51)	(17)
Cash provided by operating activities from continuing operations	459	226
Investing Activities:
Capital expenditures	(37)	(43)
Acquisitions, net of cash acquired	(16)	0
Other	1	0
Cash used for investing activities from continuing operations	(52)	(43)
Financing Activities:
Repayments of short-term debt, net	0	(457)
Dividends paid to shareholders	(163)	(156)
Dividends and other payments paid to noncontrolling interests	(30)	(38)
Contingent consideration payment	(11)	(12)
Repurchase of treasury shares	(362)	(500)
Exercise of stock options	133	107
Excess tax benefits from share-based payments	82	12
Cash used for financing activities from continuing operations	(351)	(1,044)
Effect of exchange rate changes on cash from continuing operations	19	(36)
Cash provided by (used for) continuing operations	75	(897)
Discontinued Operations:
Cash used for operating activities	0	(98)
Cash provided by investing activities	0	2,159
Cash used for financing activities	0	(25)
Effect of exchange rate changes on cash	0	1
Cash provided by discontinued operations	0	2,037
Net change in cash and equivalents	75	1,140
Cash and equivalents at beginning of period	1,542	760
Cash and equivalents at end of period	$ 1,617	$ 1,900