v3.25.0.1
Income Taxes: (Schedule of Earnings Before Income Taxes and Provision For Income Taxes) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Income Tax Disclosure [Abstract]      
Earnings before income taxes $ 12,199 $ 10,450 $ 11,634
United States federal and state:      
Current 465 201 (75)
Deferred (81) (368) (139)
Total United States 384 (167) (214)
Outside United States:      
Current 2,668 2,468 2,553
Deferred (35) 38 (95)
Total outside United States 2,633 2,506 2,458
Total provision for income taxes $ 3,017 $ 2,339 $ 2,244