Our revenues from third-party payers, the uninsured and other payers for the quarters and six months ended June 30, 2015 and 2014 are summarized in the following table (dollars in millions):


	Quarter
	2015			Ratio			2014			Ratio
Medicare	$	2,144			21.7	%	$	2,040			22.1	%
Managed Medicare		1,016			10.3			906			9.8
Medicaid		408			4.1			588			6.4
Managed Medicaid		571			5.8			452			4.9
Managed care and other insurers		5,461			55.1			4,959			53.8
International (managed care and other insurers)		327			3.3			334			3.6

		9,927			100.3			9,279			100.6
Uninsured		558			5.6			318			3.4
Other		447			4.5			361			3.9

Revenues before provision for doubtful accounts		10,932			110.4			9,958			107.9
Provision for doubtful accounts		(1,035	)		(10.4	)		(728	)		(7.9	)

Revenues	$	9,897			100.0	%	$	9,230			100.0	%


	Six Months
	2015			Ratio			2014			Ratio
Medicare	$	4,378			22.4	%	$	4,165			23.1	%
Managed Medicare		2,068			10.6			1,805			10.0
Medicaid		860			4.4			1,032			5.7
Managed Medicaid		1,120			5.7			873			4.8
Managed care and other insurers		10,677			54.5			9,669			53.5
International (managed care and other insurers)		648			3.3			660			3.7

		19,751			100.9			18,204			100.8
Uninsured		626			3.2			706			3.9
Other		877			4.5			731			4.0

Revenues before provision for doubtful accounts		21,254			108.6			19,641			108.7
Provision for doubtful accounts		(1,681	)		(8.6	)		(1,579	)		(8.7	)

Revenues	$	19,573			100.0	%	$	18,062			100.0	%