Share-Based Associate Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2015

Share-based Compensation [Abstract]

Assumptions Used In Option Grants Issued

The following weighted average assumptions were used in determining fair value for option grants issued during 2015 and 2014:

	2015	2014	2012
Weighted-average expected term	8-9 years	8-9 years	9-10 years
Expected volatility	25.04-26.15%	25.20-26.22%	25.25-26.31%
Dividend yield	3.52%	3.76%	3.65%
Risk-free rates	1.94-2.01%	2.42-2.62%	1.82-2.00%
Weighted-average fair value of options granted during the period	$11.15	$10.16	$9.71

Stock Option Information

This is a summary of options information:

(Dollars in millions, shares in thousands)	Shares		Weighted- average exercise price		Aggregate intrinsic value
Outstanding option shares at January 1, 2015	4,958		$	39.10
Granted	386		52.24
Exercised	(996	)	40.30
Forfeited or expired	(476	)	41.64
Outstanding option shares at December 31, 2015	3,872		39.78		$	77
Options exercisable at end of period	3,128		$	37.54	$	69

Options Outstanding And Exercisable

Options outstanding and exercisable consisted of the following at December 31, 2015:

(Shares in thousands)	Options outstanding				Options exercisable
Range of exercise prices	Shares	Weighted-average remaining contractual life	Weighted- average exercise price		Shares	Weighted- average exercise price
$25.00 to $29.99	582	3.59 years	$	26.58	582	$	26.58
$30.00 to $34.99	574	4.99 years	33.95		574	33.95
$35.00 to $39.99	841	3.90 years	37.29		841	37.29
$40.00 to $44.99	700	4.06 years	44.75		583	44.75
$45.00 to $49.99	798	3.89 years	46.00		546	45.62
$50.00 to $54.99	377	9.10 years	52.24		2	52.25
Total	3,872	4.55 years	39.78		3,128	37.54

Restricted Stock Unit Information

This is a summary of service-based and performance-based share information, assuming a target payout for performance-based shares, for the year 2015:

(Shares in thousands)	Service-based shares		Weighted- average grant date fair value		Performance-based shares		Weighted- average grant date fair value
Nonvested at January 1, 2015	968		$	37.42	283		$	38.55
Granted	334		47.06		81		45.73
Vested	(370	)	31.74		(104	)	34.89
Forfeited or canceled	(30	)	42.35		(4	)	34.89
Nonvested at December 31, 2015	902		43.15		256		42.35