Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating Activities:
Net income	$ 711	$ 590
Less: discontinued operations, net	0	12
Income from continuing operations	711	578
Adjustments to reconcile income from continuing operations to cash (used for) provided by operating activities from continuing operations:
Depreciation	43	42
Amortization of intangibles	23	24
Provision for losses on accounts receivable	4	0
Deferred income taxes	166	2
Stock-based compensation	37	47
Other	22	8
Changes in operating assets and liabilities, net of effect of acquisitions and dispositions:
Accounts receivable	(136)	(11)
Prepaid and other current assets	(24)	(11)
Accounts payable and accrued expenses	(257)	(248)
Unearned revenue	71	15
Accrued legal and regulatory settlements	(1,609)	0
Other current liabilities	(36)	(69)
Net change in prepaid/accrued income taxes	119	111
Net change in other assets and liabilities	(31)	(42)
Cash (used for) provided by operating activities from continuing operations	(897)	446
Investing Activities:
Capital expenditures	(42)	(37)
Acquisitions, net of cash acquired	(2)	(16)
Proceeds from dispositions	14	0
Changes in short-term investments	(7)	1
Cash used for investing activities from continuing operations	(37)	(52)
Financing Activities:
Proceeds from issuance of senior notes, net	690	0
Dividends paid to shareholders	(185)	(164)
Dividends and other payments paid to noncontrolling interests	(49)	(30)
Contingent consideration payment	0	(11)
Repurchase of treasury shares	(274)	(362)
Exercise of stock options	73	133
Excess tax benefits from share-based payments	38	82
Cash provided by (used for) financing activities from continuing operations	293	(352)
Effect of exchange rate changes on cash from continuing operations	(7)	19
Cash (used for) provided by continuing operations	(648)	61
Discontinued Operations:
Cash (used for) provided by operating activities	(129)	14
Cash provided by (used for) investing activities	0	0
Cash provided by (used for) financing activities	0	0
Cash (used for) provided by discontinued operations	(129)	14
Net change in cash and equivalents	(777)	75
Cash and equivalents at beginning of period	2,497	1,542
Cash and equivalents at end of period	$ 1,720	$ 1,617