Basis of Presentation and Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Schedule of Revenues from Third Party Payers, Uninsured and Other Payers

Our revenues from third-party payers, the uninsured and other payers for the quarters ended March 31, 2016 and 2015 are summarized in the following table (dollars in millions):

	2016			Ratio			2015			Ratio
Medicare	$	2,266			22.1	%	$	2,234			23.1	%
Managed Medicare		1,104			10.8			1,052			10.9
Medicaid		427			4.2			452			4.7
Managed Medicaid		597			5.8			549			5.7
Managed care and other insurers		5,702			55.6			5,216			53.9
International (managed care and other insurers)		317			3.1			321			3.3
		10,413			101.6			9,824			101.6
Uninsured		189			1.8			68			0.7
Other		448			4.4			430			4.4
Revenues before provision for doubtful accounts		11,050			107.8			10,322			106.7
Provision for doubtful accounts		(790	)		(7.8	)		(646	)		(6.7	)
Revenues	$	10,260			100.0	%	$	9,676			100.0	%