Shareholders' Equity - Common Stock Outstanding Activity (Details) - USD ($) shares in Thousands, $ in Billions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Preferred Stock, Shares Authorized	2,000,000	2,000,000
Common Stock Issued
Common stock outstanding, Beginning balance	125,424	125,424	125,424
Shares issued for stock-based compensation awards	0	0	0
Repurchases of common stock	0	0	0
Retirement of treasury shares	(67,733)
Common stock outstanding, Ending balance	57,691	125,424	125,424
Treasury Stock
Common stock outstanding, Beginning balance	66,175	57,358	50,581
Shares issued for stock-based compensation awards	(653)	(525)	(945)
Repurchases of common stock	(6,091)	(9,342)	(7,722)
Retirement of treasury shares	(67,733)
Common stock outstanding, Ending balance	3,880	66,175	57,358
Cost of retirement of treasury shares	$ 5.1
Common Stock Outstanding
Common stock outstanding, Beginning balance	59,249	68,066	74,843
Shares issued for stock-based compensation awards	653	525	945
Repurchases of common stock	(6,091)	(9,342)	(7,722)
Retirement of treasury shares	0
Common stock outstanding, Ending balance	53,811	59,249	68,066

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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