Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Operating Activities
Net income	$ 131	$ 460
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	24	21
Gain on sale of discontinued operations		(303)
Currency exchange rate differences on financial transactions and other losses	81	34
Equity in net income of affiliates, net of dividends received	(2)	(1)
Depreciation and amortization	286	258
Changes in operating assets and liabilities, net of effect of businesses acquired and divested:
Trade and other receivables, net	(47)	(65)
Prepaid expenses and other current assets	(48)	(32)
Accounts payable and other current liabilities and deferred revenues	(167)	(120)
Other non-current liabilities	(4)	(4)
Interest payable	8	5
Income taxes	38	7
Net cash provided by operating activities	300	260
Investing Activities
Acquisition of subsidiaries and affiliates, net of cash acquired	(192)	(19)
Proceeds from sale of subsidiaries and affiliates, net		934
Additions to property, plant and equipment and other assets	(54)	(55)
Additions to intangible assets	(117)	(115)
Net cash (used in)/provided by investing activities	(363)	745
Financing Activities
Net borrowings under revolving credit facility	25
Proceeds from issuances of debt, net of issuance costs	3,748	1,869
Repayment of debt	(3,748)	(1,911)
Increase in other short-term borrowings		2
Cash dividends paid to stockholders	(167)	(115)
Repurchase of common stock	(48)
Proceeds from exercise of stock options	57	51
Other financing activities	(41)	(10)
Net cash used in financing activities	(174)	(114)
Effect of exchange-rate changes on cash and cash equivalents	(17)	(22)
Net (decrease)/increase in cash and cash equivalents	(254)	869
Cash and cash equivalents at beginning of period	564	288
Cash and cash equivalents at end of period	310	1,157
Supplemental Cash Flow Information
Cash paid for income taxes	(69)	(66)
Cash paid for interest, net of amounts capitalized	$ (147)	$ (154)