Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [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,
	2018		2017		2016
	(in millions)
Stock option	$	35	$	32	$	34
Restricted stock	24		24		24
Restricted stock units	85		65		76
Liability awards	2		45		4
Total	$	146	$	166	$	138

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

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

	2018		2017		2016
Dividend yield	2.3	%	2.3	%	2.3	%
Expected volatility	24	%	30	%	27	%
Risk-free interest rate	2.4	%	1.9	%	1.3	%
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 2018 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	6.0		$	100.38	7.0	$	413
Granted	1.0		179.23
Exercised	(0.8	)	83.21
Forfeited	(0.1	)	128.08
Outstanding at December 31	6.1		115.73		6.7	57
Exercisable at December 31	3.8		101.61		5.7	48

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 2018 is presented below (shares in millions):

	Shares		Weighted Average Grant-date Fair Value
Non-vested shares at January 1	1.2		$	107.52
Granted	0.6		165.42
Deferred	0.2		139.64
Vested	(0.8	)	124.28
Forfeited	(0.1	)	124.49
Non-vested shares at December 31	1.1		130.17