Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating Activities:
Net income	$ 735	$ 711
Adjustments to reconcile net income to cash provided by (used for) operating activities from continuing operations:
Depreciation	40	43
Amortization of intangibles	47	23
Provision for losses on accounts receivable	8	4
Deferred income taxes	(4)	166
Stock-based compensation	34	37
Other	47	51
Changes in operating assets and liabilities, net of effect of acquisitions and dispositions:
Accounts receivable	(39)	(136)
Prepaid and other current assets	(21)	(24)
Accounts payable and accrued expenses	(212)	(257)
Unearned revenue	38	71
Accrued legal and regulatory settlements	(108)	(1,609)
Other current liabilities	(23)	(65)
Net change in prepaid/accrued income taxes	73	119
Net change in other assets and liabilities	(44)	(31)
Cash provided by (used for) operating activities from continuing operations	571	(897)
Investing Activities:
Capital expenditures	(36)	(42)
Acquisitions, net of cash acquired	(52)	(2)
Proceeds from dispositions	0	14
Changes in short-term investments	0	(7)
Cash used for investing activities from continuing operations	(88)	(37)
Financing Activities:
Additions to short-term debt, net	166	0
Proceeds from issuance of senior notes, net	0	690
Dividends paid to shareholders	(191)	(185)
Dividends and other payments paid to noncontrolling interests	(57)	(49)
Repurchase of treasury shares	(373)	(274)
Exercise of stock options	65	73
Excess tax benefits from share-based payments	19	38
Cash (used for) provided by financing activities from continuing operations	(371)	293
Effect of exchange rate changes on cash from continuing operations	(26)	(7)
Cash provided by (used for) continuing operations	86	(648)
Discontinued Operations:
Cash used for operating activities	0	(129)
Cash used for discontinued operations	0	(129)
Net change in cash and cash equivalents	86	(777)
Cash and cash equivalents at beginning of period	1,481	2,497
Cash and cash equivalents at end of period	$ 1,567	$ 1,720