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Note 14 - Debt (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Debt [Table Text Block]

Millions

 

2021

  

2020

 

Notes and debentures, 2.2% to 7.1% due through April 6, 2071

 $29,508  $26,608 

Equipment obligations, 2.6% to 6.2% due through January 2, 2031

  848   885 

Commercial paper, 0.2% to 0.3% due through January 26, 2022

  400   75 

Finance leases, 3.1% to 8.0% due through December 10, 2028

  336   449 

Receivables Facility (Note 10)

  300   - 

Term loans - floating rate, due August 31, 2022

  100   250 

Unamortized discount and deferred issuance costs

  (1,763)  (1,538)

Total debt

  29,729   26,729 

Less: current portion

  (2,166)  (1,069)

Total long-term debt

 $27,563  $25,660 
Schedule of Maturities of Long-term Debt [Table Text Block]

Millions

    

2022

 $2,180 

2023

  1,385 

2024

  1,439 

2025

  1,429 

2026

  1,016 

Thereafter

  24,043 

Total principal

  31,492 

Unamortized discount and deferred issuance costs

  (1,763)

Total debt

 $29,729 
Unsecured Fixed Rate Debt Securities Issued Under Current Shelf Registration [Table Text Block]

Date

Description of Securities

May 20, 2021

$850 million of 2.375% Notes due May 20, 2031

 

$1.0 billion of 3.200% Notes due May 20, 2041

 

$650 million of 3.550% Notes due May 20, 2061

September 10, 2021

$150 million of 2.375% Notes due May 20, 2031

 

$850 million of 2.950% Notes due March 10, 2052