Annual report pursuant to Section 13 and 15(d)

LEASES - Supplemental Cash Flow Disclosures (Details)

v3.20.4
LEASES - Supplemental Cash Flow Disclosures (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
Operating cash flows from operating leases $ 686 $ 620
Operating cash flows from finance leases 18 19
Financing cash flows from finance leases 192 140
Operating leases 787 810
Finance leases $ 66 $ 110