Our revenues from third-party payers, the uninsured and other for the quarters and nine months ended September 30, 2017 and 2016 are summarized in the following table (dollars in millions):


	Quarter
	2017			Ratio			2016			Ratio
Medicare	$	2,354			22.0	%	$	2,158			21.0	%
Managed Medicare		1,156			10.8			1,068			10.4
Medicaid		362			3.4			405			3.9
Managed Medicaid		582			5.4			611			6.0
Managed care and other insurers		6,039			56.4			5,863			57.1
International (managed care and other insurers)		276			2.6			285			2.8

		10,769			100.6			10,390			101.2
Uninsured		849			7.9			336			3.3
Other		349			3.3			384			3.7

Revenues before provision for doubtful accounts		11,967			111.8			11,110			108.2
Provision for doubtful accounts		(1,271	)		(11.8	)		(840	)		(8.2	)

Revenues	$	10,696			100.0	%	$	10,270			100.0	%


	Nine Months
	2017			Ratio			2016			Ratio
Medicare	$	7,080			22.1	%	$	6,641			21.5	%
Managed Medicare		3,546			11.1			3,250			10.5
Medicaid		1,188			3.7			1,248			4.0
Managed Medicaid		1,798			5.6			1,816			5.9
Managed care and other insurers		18,071			56.4			17,324			56.2
International (managed care and other insurers)		814			2.5			926			3.0

		32,497			101.4			31,205			101.1
Uninsured		1,593			5.0			750			2.4
Other		1,066			3.3			1,286			4.2

Revenues before provision for doubtful accounts		35,156			109.7			33,241			107.7
Provision for doubtful accounts		(3,104	)		(9.7	)		(2,392	)		(7.7	)

Revenues	$	32,052			100.0	%	$	30,849			100.0	%