CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
Net income (loss)	$ (83)	$ 67
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	114	100
Provision for doubtful accounts	207	189
Deferred income tax expense (benefit)	(55)	38
Stock-based compensation expense	11	8
Impairment and restructuring charges, and acquisition-related costs	14	3
Litigation and investigation costs	0	2
Loss from early extinguishment of debt	177	0
Amortization of debt discount and debt issuance costs	5	5
Pre-tax (income) loss from discontinued operations	3	(2)
Other items, net	(10)	(3)
Changes in cash from operating assets and liabilities:
Accounts receivable	(251)	(324)
Inventories and other current assets	(44)	(8)
Income taxes	3	3
Accounts payable, accrued expenses and other current liabilities	(138)	(109)
Other long-term liabilities	27	16
Payments for restructuring charges, acquisition-related costs, and litigation costs and settlements	(7)	(11)
Net cash used in operating activities from discontinued operations, excluding income taxes	(5)	(16)
Net cash used in operating activities	(32)	(42)
Cash flows from investing activities:
Purchases of property and equipment - continuing operations	(133)	(136)
Purchases of businesses or joint venture interests	(5)	(3)
Proceeds from sales of marketable securities, long-term investments and other assets	3	3
Other long-term assets	29	(2)
Other items, net	2	2
Net cash used in investing activities	(104)	(136)
Cash flows from financing activities:
Repayments of borrowings under credit facility	(200)	(455)
Proceeds from borrowing under credit facility	220	658
Repayments of other borrowings	(899)	(4)
Proceeds from other borrowings	850	0
Repurchases of common stock	(100)	(26)
Cash dividends on preferred stock	0	(6)
Deferred debt issuance costs	(15)	0
Distributions paid to noncontrolling interests	(6)	(3)
Proceeds from exercise of stock options	15	2
Other items, net	2	3
Net cash provided by (used in) financing activities	(133)	169
Net decrease in cash and cash equivalents	(269)	(9)
Cash and cash equivalents at beginning of period	364	113
Cash and cash equivalents at end of period	95	104
Supplemental disclosures:
Interest paid, net of capitalized interest	(125)	(102)
Income tax refunds (payments), net	$ 3	$ (2)