Retirement and Deferred Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Obligations, funded status and assumptions

	As of or For the Years Ended December 31,
	2015			2014			2015			2014
							Other Postretirement
	Pension Plans						Benefit Plans
Fair value of plan assets	$	1,434		$	1,522		$	52		$	48
Projected benefit obligation		1,607			1,708			97			103
Funded status of plan	$	(173	)	$	(186	)	$	(45	)	$	(55	)
Amounts Recognized on the
Consolidated Balance Sheets
Other assets	$	28		$	34		$	2		$	1
Other liabilities		(201	)		(220	)		(47	)		(56	)
Net amount recognized	$	(173	)	$	(186	)	$	(45	)	$	(55	)
Weighted-Average Assumptions
Benefit obligations:
Weighted-average discount rate		4.29%			3.88%			4.50%			4.00%
Net periodic benefit cost:
Weighted-average discount rate		3.88%			4.64%			4.00%			4.50%
Expected return on plan assets		6.87%			6.90%			6.50%			6.50%

Fair value measurements of pension plan assets on a recurring basis

	As of December 31,
	2015		2014
Fixed maturity securities:
Corporate bonds	$	355	$	454
U.S. government bonds		207		161
Foreign government bonds		145		166
State and municipal bonds		32		33
Common and preferred stock		542		554
Cash and invested cash		151		152
Other investments		54		50
Total	$	1,486	$	1,570

Deferred compensation plans liabilities and investments

	As of December 31,
	2015		2014
Total liabilities (1)	$	483	$	495
Investments dedicated to fund liabilities (2)		151		160