CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 716	$ 356
Accounts receivable, less allowance for doubtful accounts ($1,031 at December 31, 2016 and $887 at December 31, 2015)	2,897	2,704
Inventories of supplies, at cost	326	309
Income tax receivable	4	7
Assets held for sale	29	550
Other current assets	1,285	1,245
Total current assets	5,257	5,171
Investments and other assets	1,250	1,175
Deferred income taxes	871	776
Property and equipment, at cost, less accumulated depreciation and amortization ($4,974 at December 31, 2016 and $4,323 at December 31, 2015)	8,053	7,915
Goodwill	7,425	6,970
Other intangible assets, at cost, less accumulated amortization ($772 at December 31, 2016 and $659 at December 31, 2015)	1,845	1,675
Total assets	24,701	23,682
Current liabilities:
Current portion of long-term debt	191	127
Accounts payable	1,329	1,380
Accrued compensation and benefits	872	880
Professional and general liability reserves	181	177
Accrued interest payable	210	205
Liabilities held for sale	9	101
Accrued legal settlement costs	8	294
Other current liabilities	1,234	1,144
Total current liabilities	4,034	4,308
Long-term debt, net of current portion	15,064	14,383
Professional and general liability reserves	613	578
Defined benefit plan obligations	626	595
Deferred income taxes	279	37
Other long-term liabilities	610	557
Total liabilities	21,226	20,458
Commitments and contingencies
Redeemable noncontrolling interests in equity of consolidated subsidiaries	2,393	2,266
Shareholders' equity:
Common stock, $0.05 par value; authorized 262,500,000 shares; 148,106,249 shares issued at December 31, 2016 and 146,920,454 shares issued at December 31, 2015	7	7
Additional paid-in capital	4,827	4,815
Accumulated other comprehensive loss	(258)	(164)
Accumulated deficit	(1,742)	(1,550)
Common stock in treasury, at cost, 48,420,650 shares at December 31, 2016 and 48,425,298 shares at December 31, 2015	(2,417)	(2,417)
Total shareholders' equity	417	691
Noncontrolling interests	665	267
Total equity	1,082	958
Total liabilities and equity	$ 24,701	$ 23,682

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.