v3.22.4
Financial Instruments and Fair Value Measures - Bases Used to Measure The Approximate Fair Value of Financial Instruments (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Liabilities    
Carrying amount of investments in equity securities that do not have readily determinable fair values $ 129 $ 149
Book value    
Liabilities    
Short-term borrowings 1 14
Current portion of long-term debt and finance lease obligations, excluding fair value hedges 4,152 12,455
Long-term debt and finance lease obligations, excluding fair value hedges 59,463 64,113
Total liabilities 63,616 76,582
Estimate of Fair Value Measurement    
Liabilities    
Short-term borrowings 1 14
Current portion of long-term debt and finance lease obligations, excluding fair value hedges 4,121 11,830
Long-term debt and finance lease obligations, excluding fair value hedges 54,073 71,810
Total liabilities 58,195 83,654
Estimate of Fair Value Measurement | Quoted prices in active markets for identical assets (Level 1)    
Liabilities    
Short-term borrowings 0 0
Current portion of long-term debt and finance lease obligations, excluding fair value hedges 3,930 11,329
Long-term debt and finance lease obligations, excluding fair value hedges 53,365 70,757
Total liabilities 57,295 82,086
Estimate of Fair Value Measurement | Significant other observable inputs (Level 2)    
Liabilities    
Short-term borrowings 1 14
Current portion of long-term debt and finance lease obligations, excluding fair value hedges 191 501
Long-term debt and finance lease obligations, excluding fair value hedges 708 1,053
Total liabilities 900 1,568
Estimate of Fair Value Measurement | Significant unobservable inputs (Level 3)    
Liabilities    
Short-term borrowings 0 0
Current portion of long-term debt and finance lease obligations, excluding fair value hedges 0 0
Long-term debt and finance lease obligations, excluding fair value hedges 0 0
Total liabilities $ 0 $ 0