Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Components of share-based compensation expense, net of forfeitures [Table Text Block]

The components of the Company’s share-based compensation expense, net of forfeitures, were as follows:

	December 31,
	2019		2018		2017
	(in millions)
Stock option	$	31	$	35	$	32
Restricted stock	22		24		24
Restricted stock units	82		85		65
Liability awards	53		2		45
Total	$	188	$	146	$	166

Weighted average assumptions used for stock option grants [Table Text Block]

The following weighted average assumptions were used for stock option grants:

	2019		2018		2017
Dividend yield	3.0	%	2.3	%	2.3	%
Expected volatility	27	%	24	%	30	%
Risk-free interest rate	2.4	%	2.4	%	1.9	%
Expected life of stock option (years)	5.0		5.0		5.0

Summary of stock option activity [Table Text Block]

A summary of the Company’s stock option activity for 2019 is presented below (shares and intrinsic value in millions):

	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Outstanding at January 1	6.1		$	115.73	6.7	$	57
Granted	1.3		126.89
Exercised	(1.0	)	86.90
Forfeited	(0.1	)	148.23
Outstanding at December 31	6.3		122.12		6.6	292
Exercisable at December 31	4.0		111.32		5.5	227

Summary of restricted stock award activity [Table Text Block]

A summary of activity for the Company’s restricted stock awards, restricted stock units granted to employees (including advisors), compensation and commission deferrals into stock and deferred share units for 2019 is presented below (shares in millions):

	Shares		Weighted Average Grant-date Fair Value
Non-vested shares at January 1	1.1		$	130.17
Granted	0.8		130.84
Deferred	0.2		140.57
Vested	(0.8	)	128.86
Forfeited	(0.1	)	131.47
Non-vested shares at December 31	1.2		133.40