Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Computation of basic and diluted EPS

The table below sets forth the computation of basic and diluted EPS:

	Year ended December 31
	2022		2021		2020
Basic EPS Calculation
Earnings available to common stockholders - Basic1	$	35,465	$	15,625	$	(5,543)
Weighted-average number of common shares outstanding2	1,931		1,916		1,870
Add: Deferred awards held as stock units	—		—		—
Total weighted-average number of common shares outstanding	1,931		1,916		1,870
Earnings per share of common stock - Basic	$	18.36	$	8.15	$	(2.96)
Diluted EPS Calculation
Earnings available to common stockholders - Diluted1	$	35,465	$	15,625	$	(5,543)
Weighted-average number of common shares outstanding2	1,931		1,916		1,870
Add: Deferred awards held as stock units	—		—		—
Add: Dilutive effect of employee stock-based awards	9		4		—
Total weighted-average number of common shares outstanding	1,940		1,920		1,870
Earnings per share of common stock - Diluted	$	18.28	$	8.14	$	(2.96)
1 There was no effect of dividend equivalents paid on stock units or dilutive impact of employee stock-based awards on earnings.
2 Millions of shares; 1 million shares of employee-based awards were not included in the 2020 diluted EPS calculation as the result would be anti-dilutive.