Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities
Net income	$ 612	$ 509
Less: income from discontinued operations, net of tax	0	(21)
Income from continuing operations	612	488
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	182	161
Stock-based compensation	47	49
Deferred taxes	(38)	(28)
Amortization of increase in fair market value of NYSE Notes	(23)	(28)
Other	(17)	(19)
Changes in assets and liabilities:
Customer accounts receivable	(91)	(107)
Prepaid expenses and other current assets	(25)	46
Income taxes payable	31	69
Deferred revenue	237	226
Other current and non-current liabilities	(145)	(21)
Total adjustments	158	348
Net cash provided by operating activities from continuing operations	770	836
Investing activities
Capital expenditures	(92)	(58)
Capitalized software development costs	(44)	(40)
Proceeds from Divestiture of Interest in Consolidated Subsidiaries	0	1,984
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	26
Increase in restricted cash and investments	11	(111)
Net cash provided by investing activities from continuing operations	899	1,651
Financing activities
Repayments of debt	918	1,090
Dividends to shareholders	(158)	(151)
Payments relating to treasury shares received for restricted stock tax payments and stock option exercises	(39)	(37)
Proceeds from exercise of common stock options	10	5
Repurchases of common stock	(399)	0
Distributions of profits to non-controlling interest	(17)	(19)
Purchase of subsidiary shares from non-controlling interest	128	0
Other	14	7
Net cash used in financing activities from continuing operations	(1,635)	(1,285)
Cash Provided by (Used in) Operating Activities, Discontinued Operations	0	55
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	(8)	4
Net increase (decrease) in cash and cash equivalents	26	1,096
Cash and cash equivalents, beginning of period	652	961
Cash and cash equivalents, end of period	678	2,057
Supplemental cash flow disclosure
Cash paid for income taxes	233	215
Cash paid for interest	$ 89	$ 101