Share-Based Compensation and Other Compensation Arrangements (Tables)

12 Months Ended

Dec. 31, 2022

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,	2022	2021	2020
Restricted stock units and other awards	$726	$840	$243
Income tax benefit (before consideration of valuation allowance)	$178	$148	$53

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions

Grant Year	Grant Date	Expected Life	Expected Volatility		Risk Free Interest Rate		Grant Date Fair Value Per Option
2022	2/16/2022	6.8 years	36.6	%	2.0	%	$83.04
2021	2/17/2021	6.6 years	37.8	%	1.3	%	$74.63

Schedule of Stock Options Activity

Stock option activity for the year ended December 31, 2022 was as follows:

	Shares	Weighted Average Exercise Price Per Option	Weighted Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Number of shares under option:
Outstanding at beginning of year	1,709,379	$121.83
Granted	362,450	259.77
Exercised	(663,348)	75.85
Expired	(664)	130.72
Forfeited	(17,048)	246.21
Outstanding at end of year	1,390,769	$178.18	5.0	$68
Exercisable at end of year	598,983	$77.22	0.2	$68

Schedule of Restricted Stock Units Award Activity

RSU activity for the year ended December 31, 2022 was as follows:

	Executive Long-Term Incentive Program	Employee Long-Term Incentive Program	Other
Number of units:
Outstanding at beginning of year	2,049,695	4,780,724	698,866
Granted	4,527,189		595,122
Forfeited	(282,488)	(269,380)	(67,441)
Distributed	(176,496)	(137,537)	(267,853)
Outstanding at end of year	6,117,900	4,373,807	958,694
Undistributed vested units	426,652	1,454,414	18,914
Unrecognized compensation cost	$683	$240	$87
Weighted average remaining amortization period (years)	2.1	1.0	2.1

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.

Grant Year	Grant Date	Performance Period	Expected Volatility		Risk Free Interest Rate		Grant Date Fair Value Per Unit
2020	2/24/2020	3 years	27.0	%	1.2	%	$357.38

Schedule of Performance Based Restricted Stock Units Award Activity

PBRSU activity for the year ended December 31, 2022 was as follows:

	Executive Long-Term Incentive Program
Number of units:
Outstanding at beginning of year	383,401
Performance based adjustment(1)	(162,548)
Forfeited	(10,647)
Outstanding at end of year	210,206
Unrecognized compensation cost	$4
Weighted average remaining amortization period (years)	0.2

(1)    Represents adjustment to 0% payout for units granted in 2019.