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Earnings Per Share, Share Repurchases and Dividends on Common Stock (Unaudited) (Tables)
6 Months Ended
Jun. 30, 2024
Equity [Abstract]  
Share Repurchases
The table below summarizes the company’s share repurchases to date under the authorizations described above:
Shares Repurchased
(in millions)
Repurchase Program
Authorization Date
Amount
Authorized
(in millions)
Total
Shares Retired
(in millions)
Average 
Price
Per Share
(1)
Date CompletedSix Months Ended June 30
20242023
January 25, 2021$3,000 7.0 $431.05 April 2023 1.4 
January 24, 2022(2)
$2,000 4.4 $455.01 February 20242.5 0.6 
December 6, 2023$2,500 1.4 $453.30 1.4 —