Share-Based Compensation And Other Compensation Arrangements (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of share-based plans expense and related income tax benefit

The share-based plans expense and related income tax benefit were as follows:

Years ended December 31,	2020	2019	2018
Restricted stock units and other awards	$243	$217	$213
Income tax benefit	$53	$47	$46

Schedule of Stock Options Activity

Stock option activity for the year ended December 31, 2020 is as follows:

	Shares	Weighted Average Exercise Price Per Share	Weighted Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Number of shares under option:
Outstanding at beginning of year	2,375,583	$74.79
Exercised	(515,063)	71.47
Outstanding at end of year	1,860,520	$75.71	1.65	$257
Exercisable at end of year	1,860,520	$75.71	1.65	$257

Schedule of Restricted Stock Units Award Activity

RSU activity for the year ended December 31, 2020 was as follows:

	Executive Long-Term Incentive Program	Employee Long-Term Incentive Program	Other
Number of units:
Outstanding at beginning of year	905,025		908,321
Granted	1,103,608	5,163,425	196,818
Dividends	7,091		7,303
Forfeited	(104,374)		(33,896)
Distributed	(487,749)		(329,227)
Outstanding at end of year	1,423,601	5,163,425	749,319
Unrecognized compensation cost	$237	$973	$102
Weighted average remaining contractual life (years)	2.5	3.0	2.0

Schedule of Performance Based Restricted Stock Units Award Grant Fair Values

The grant date fair values were estimated using a Monte-Carlo simulation model with the assumptions presented below. The model includes no expected dividend yield as the units earn dividend equivalents.

Grant Year	Grant Date	Performance Period	Expected Volatility		Risk Free Interest Rate		Grant Date Fair Value
2020	2/24/2020	3 years	27.04	%	1.21	%	$357.38
2019	2/25/2019	3 years	23.88	%	2.46	%	466.04
2018	2/26/2018	3 years	22.11	%	2.36	%	390.27

Schedule of Performance Based Restricted Stock Units Award Activity

PBRSU activity for the year ended December 31, 2020 was as follows:

	Executive Long-Term Incentive Program
Number of units:
Outstanding at beginning of year	826,126
Granted	290,202
Performance based adjustment(1)	293,203
Dividends	27,299
Forfeited	(83,055)
Distributed	(732,216)
Outstanding at end of year	621,559
Unrecognized compensation cost	$93
Weighted average remaining contractual life (years)	1.8