Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities
Net income	$ 922	$ 722
Less: income from discontinued operations, net of tax	0	(11)
Income from continuing operations	922	711
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	276	244
Stock-based compensation	79	73
Deferred taxes	(63)	(57)
Amortization of Debt Discount (Premium)	(23)	(42)
Other	(16)	(24)
Changes in assets and liabilities:
Customer accounts receivable	(62)	(121)
Prepaid expenses and other current assets	(20)	75
Income taxes payable	(106)	(56)
Deferred revenue	131	137
Other current and non-current liabilities	(228)	(18)
Total adjustments	(32)	211
Net cash provided by operating activities from continuing operations	890	922
Investing activities
Capital expenditures	(125)	(105)
Capitalized software development costs	(67)	(56)
Proceeds from Divestiture of Interest in Consolidated Subsidiaries	0	2,155
Cash paid for acquisitions, net of cash acquired	0	(150)
Cash paid for equity method investment	(60)	0
Proceeds from sales of available-for-sale investments	1,084	54
Purchases of term deposits and available-for-sale investments	0	1,304
Increase in restricted cash and investments	14	(105)
Net cash provided by investing activities from continuing operations	846	489
Financing activities
Repayments of debt	681	768
Dividends to shareholders	(242)	(225)
Payments relating to treasury shares received for restricted stock tax payments and stock option exercises	(42)	(39)
Proceeds from exercise of common stock options	14	10
Repurchases of common stock	(605)	(448)
Distributions of profits to non-controlling interest	(24)	(31)
Purchase of subsidiary shares from non-controlling interest	128	129
Proceeds from (Payments for) Other Financing Activities	16	12
Net cash used in financing activities from continuing operations	(1,692)	(1,618)
Cash Provided by (Used in) Operating Activities, Discontinued Operations	0	51
Cash Provided by (Used in) Investing Activities, Discontinued Operations	0	(504)
Cash Provided by (Used in) Financing Activities, Discontinued Operations	0	339
Effect of exchange rate changes on cash and cash equivalents	(9)	(2)
Net increase (decrease) in cash and cash equivalents	35	(323)
Cash and cash equivalents, beginning of period	652	961
Cash and cash equivalents, end of period	687	638
Supplemental cash flow disclosure
Cash paid for income taxes	419	265
Cash paid for interest	$ 90	$ 107