Financing Receivables (Tables)

12 Months Ended

Dec. 31, 2017

Receivables [Abstract]

Rollforward of the allowance for loan losses [Table Text Block]

The following table presents a rollforward of the allowance for loan losses for the years ended and the ending balance of the allowance for loan losses by impairment method:

	December 31,
	2017			2016			2015
	(in millions)
Beginning balance	$	29		$	32		$	35
Charge-offs	(2		)	(5		)	(4		)
Provisions	(1		)	2			1
Ending balance	$	26		$	29		$	32
Individually evaluated for impairment	$	—		$	2		$	4
Collectively evaluated for impairment	26			27			28

Schedule of recorded investment in financing receivables by impairment method and type of loan [Table Text Block]

The recorded investment in financing receivables by impairment method was as follows:

	December 31,
	2017		2016
	(in millions)
Individually evaluated for impairment	$	17	$	12
Collectively evaluated for impairment	3,258		3,480
Total	$	3,275	$	3,492

Schedule of commercial mortgage loans by geographic region [Table Text Block]

Concentrations of credit risk of commercial mortgage loans by U.S. region were as follows:

	Loans				Percentage
	December 31,				December 31,
	2017		2016		2017		2016
	(in millions)
East North Central	$	215	$	198	8	%	7	%
East South Central	90		88		3		3
Middle Atlantic	192		203		7		8
Mountain	256		240		9		9
New England	74		91		3		3
Pacific	812		746		29		28
South Atlantic	768		783		28		29
West North Central	235		222		8		8
West South Central	133		131		5		5
	2,775		2,702		100	%	100	%
Less: allowance for loan losses	19		21
Total	$	2,756	$	2,681

Schedule of commercial mortgage loans by property type [Table Text Block]

Concentrations of credit risk of commercial mortgage loans by property type were as follows:

	Loans				Percentage
	December 31,				December 31,
	2017		2016		2017		2016
	(in millions)
Apartments	$	566	$	504	20	%	19	%
Hotel	40		42		1		1
Industrial	476		446		17		17
Mixed use	44		49		2		2
Office	492		489		18		18
Retail	937		950		34		35
Other	220		222		8		8
	2,775		2,702		100	%	100	%
Less: allowance for loan losses	19		21
Total	$	2,756	$	2,681