CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 572	$ 716
Accounts receivable, less allowance for doubtful accounts ($1,041 at March 31, 2017 and $1,031 at December 31, 2016)	2,960	2,897
Inventories of supplies, at cost	324	326
Income tax receivable	26	4
Assets held for sale	3	29
Other current assets	1,167	1,285
Total current assets	5,052	5,257
Investments and other assets	1,260	1,250
Deferred income taxes	930	871
Property and equipment, at cost, less accumulated depreciation and amortization ($4,926 at March 31, 2017 and $4,974 at December 31, 2016)	7,976	8,053
Goodwill	7,429	7,425
Other intangible assets, at cost, less accumulated amortization ($814 at March 31, 2017 and $772 at December 31, 2016)	1,863	1,845
Total assets	24,510	24,701
Current liabilities:
Current portion of long-term debt	147	191
Accounts payable	1,179	1,329
Accrued compensation and benefits	739	872
Professional and general liability reserves	201	181
Accrued interest payable	327	210
Liabilities held for sale		9
Accrued legal settlement costs	11	8
Other current liabilities	1,163	1,234
Total current liabilities	3,767	4,034
Long-term debt, net of current portion	15,071	15,064
Professional and general liability reserves	614	613
Defined benefit plan obligations	624	626
Deferred income taxes	289	279
Other long-term liabilities	621	610
Total liabilities	20,986	21,226
Commitments and contingencies
Redeemable noncontrolling interests in equity of consolidated subsidiaries	2,430	2,393
Shareholders' equity:
Common stock, $0.05 par value; authorized 262,500,000 shares; 148,840,473 shares issued at March 31, 2017 and 148,106,249 shares issued at December 31, 2016	7	7
Additional paid-in capital	4,834	4,827
Accumulated other comprehensive loss	(255)	(258)
Accumulated deficit	(1,739)	(1,742)
Common stock in treasury, at cost, 48,419,483 shares at March 31, 2017 and 48,420,650 shares at December 31, 2016	(2,417)	(2,417)
Total shareholders' equity	430	417
Noncontrolling interests	664	665
Total equity	1,094	1,082
Total liabilities and equity	$ 24,510	$ 24,701

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.