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Long-Term Debt and Credit Facilities (Tables)
12 Months Ended
Dec. 31, 2022
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments Long-term debt consisted of the following at December 31:
  Weighted Average Interest RateMaturities20222021
Notes2.6%2023-2078$6,933 $5,958 
Commercial paper2.1%20231,778 1,204 
Finance Lease ObligationsVariousVarious44 44 
8,755 7,206 
Less: Current portion of long-term debt(14)(12)
Total $8,741 $7,194 
Schedule of Maturities of Long-term Debt Excluding commercial paper, scheduled maturities of long-term debt and finance leases outstanding as of December 31, 2022, were as follows:  
Years Ended December 31,
2023$921 
2024510 
2025636 
2026538 
2027499 
Thereafter3,873