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Debt and Credit Facilities (Tables)
 3 Months Ended
Mar. 31, 2023
Long-Term Debt, Unclassified [Abstract]  
Schedule of Long-term Debt Instruments
Summary of Total DebtMarch 2023December 2022
RateDue
Senior unsecured notes:
1.125%November 30, 2023$599 $585 
0.600%December 1, 2023599 599 
3.375%May 15, 2024597 596 
0.250%December 3, 2024925 903 
1.150%June 15, 2025647 647 
3.375%November 1, 2025748 748 
3.500%March 15, 2026996 995 
2.125%November 30, 2027814 795 
3.650%March 7, 2028597 597 
0.750%March 1, 2029868 848 
1.950%June 15, 2030991 991 
2.625%November 30, 2030701 684 
1.000%December 3, 2031809 790 
4.100%April 1, 2043392 392 
4.375%May 15, 2044395 396 
4.625%March 15, 2046983 983 
2.900%June 15, 2050642 642 
Term loan750 850 
Other8 7 
Total debt$13,061 $13,048 
Less current maturities1,204 1,191 
Total long-term debt$11,857 $11,857 
March 2023December 2022
Unamortized debt issuance costs$51 $52 
Borrowing capacity on existing facilities$2,160 $2,162 
Fair value of senior unsecured notes$11,274 $10,910