Share-Based Payment (Tables)

12 Months Ended

Dec. 31, 2016

Share-Based Payment

Compensation Cost [Table Text Block]

		2016		2015		2014
Performance stock units	$	480	$	299	$	226
Restricted stock and stock units		152		147		93
Other nonvested stock units		21		5		(1)
Total	$	653	$	451	$	318
Income tax benefit	$	250	$	172	$	122

Status Of Nonvested Stock Units Activity And Changes During Year [Table Text Block]

Nonvested Stock Units	Shares		Weighted-Average Grant-Date Fair Value
Nonvested at January 1, 2016	36	$	33.78
Granted	16		36.65
Vested	(19)		33.12
Forfeited	(2)		35.16
Nonvested at December 31, 2016	31	$	35.57