Stock-Based Incentive Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2014

Notes to Financial Statements [Abstract]

Total compensation expense for all stock-based incentive compensation plans

	For the Years Ended December 31,
	2014		2013		2012
Stock options	$	9	$	9	$	8
Performance shares		12		10		5
SARs		2		5		1
RSUs and nonvested stock		15		16		17
Total	$	38	$	40	$	31
Recognized tax benefit	$	13	$	14	$	11

Total unrecognized compensation expense for all stock-based incentive compensation plans

	For the Years Ended December 31,
	2014			2013			2012
			Weighted-			Weighted-			Weighted-
			Average			Average			Average
	Expense		Period	Expense		Period	Expense		Period
Stock options	$	8	1.5	$	9	1.9	$	6	1.8
Performance shares		9	1.5		9	1.5		9	1.6
SARs		3	3.2		3	3.4		1	3.3
RSUs and nonvested stock		21	1.0		18	1.2		20	1.3
Total unrecognized stock-based
incentive compensation expense	$	41		$	39		$	36

Option price assumptions used for stock option incentive plans

	For the Years Ended December 31,
	2014		2013		2012
Weighted-average fair value per option granted	$	12.95	$	7.39	$	8.35
Assumptions:
Dividend yield		2.2%		2.4%		1.9%
Expected volatility		33.2%		34.1%		42.0%
Risk-free interest rate		0.9-1.8%		0.6-0.9%		0.9-1.2%
Expected life (in years)		5.4		5.6		5.8

Summary of activity for stock options with performance conditions

						Weighted-
			Weighted-			Average
			Average		Remaining		Aggregate
			Exercise		Contractual		Intrinsic
	Shares		Price			Term	Value
Outstanding as of December 31, 2013	1,176,974		$	45.84
Granted – original	88,311			50.37
Exercised (includes shares tendered)	(133,044	)		34.14
Forfeited or expired	(60,494	)		40.46
Outstanding as of December 31, 2014	1,071,747		$	47.93		2.96	$	10
Vested or expected to vest as of December 31, 2014 (1)	1,016,926		$	48.31		2.93	$	10
Exercisable as of December 31, 2014	962,105		$	48.73		2.90	$	9

⁽¹⁾ Includes estimated forfeitures.

Summary of activity for stock options with service conditions

						Weighted-
			Weighted-			Average
			Average		Remaining		Aggregate
			Exercise		Contractual		Intrinsic
	Shares		Price			Term	Value
Outstanding as of December 31, 2013	4,928,353		$	38.18
Granted – original	490,852			50.80
Exercised (includes shares tendered)	(1,333,102	)		39.97
Forfeited or expired	(162,410	)		47.26
Outstanding as of December 31, 2014	3,923,693		$	38.65		5.87	$	79
Vested or expected to vest as of December 31, 2014 (1)	3,642,758		$	39.03		5.69	$	72
Exercisable as of December 31, 2014	2,571,235		$	39.99		4.57	$	49

⁽¹⁾ Includes estimated forfeitures.

Summary of activity for performance shares

				Weighted-
				Average
			Grant-Date
	Shares			Fair Value
Nonvested as of December 31, 2013	710,692			$	32.74
Granted	182,149				54.68
Vested	(180,307	)			36.33
Forfeited	(10,108	)			37.74
Nonvested as of December 31, 2014	702,426			$	37.36

Option price assumptions used for stock appreciation rights plan

	For the Years Ended December 31,
	2014		2013		2012
Weighted-average fair value per SAR granted	$	13.64	$	7.47	$	8.91
Assumptions:
Dividend yield		1.5%		2.2%		1.4%
Expected volatility		32.7%		30.5%		40.7%
Risk-free interest rate		1.7%		1.0%		1.3%
Expected life (in years)		5.0		5.0		5.0

Summary of activity for stock appreciation rights plan

						Weighted-
			Weighted-			Average
			Average		Remaining		Aggregate
			Exercise		Contractual		Intrinsic
	Shares		Price			Term	Value
Outstanding as of December 31, 2013	354,043		$	29.00
Granted – original	62,887			50.41
Exercised (includes shares tendered)	(93,532	)		24.86
Forfeited or expired	(15,439	)		35.82
Outstanding as of December 31, 2014	307,959		$	34.28		2.53	$	7
Vested or expected to vest as of December 31, 2014 (1)	292,889		$	34.20		2.50	$	7
Exercisable as of December 31, 2014	171,114		$	31.28		1.89	$	5

⁽¹⁾ Includes estimated forfeitures.

Summary of activity for restricted stock units

				Weighted-
				Average
			Grant-Date
	Shares			Fair Value
Outstanding as of December 31, 2013	1,630,407			$	28.24
Granted	462,231				50.95
Vested	(464,572	)			29.74
Forfeited	(100,391	)			33.43
Outstanding as of December 31, 2014	1,527,675			$	34.30