LEASES Schedule of Maturities of Operating and Finance Lease Liabilities (Details) $ in Millions	Sep. 30, 2019 USD ($)
Leases [Abstract]
Lessee, operating lease, liability, payments, due remainder of year	$ 39
Finance lease, liability, payments, due remainder of year	4
Lease liability, payments, due remainder of year	43
Lessee, operating lease, liability, payments, due next twelve months	138
Finance lease, liability, payments, due next twelve months	17
Lease liability, payments, due next twelve months	155
Lessee, operating lease, liability, payments, due year two	97
Finance lease, liability, payments, due year two	15
Lease liability, payments, due year two	112
Lessee, operating lease, liability, payments, due year three	64
Finance lease, liability, payments, due year three	13
Lease liability, payments due, year three	77
Lessee, operating lease, liability, payments, due year four	35
Finance lease, liability, payments, due year four	11
Lease liability, payments, due year four	46
Lessee, operating lease, liability, payments, due year five	18
Finance lease, liability, payments, due year five	10
Lease liability, payments, due year five	28
Lessee, operating lease, liability, payments, due after year six	95
Finance lease, liability, payments, due after year six	65
Lease liability payments, due after year six	160
Lessee, operating lease, liability, payments, due	486
Finance lease, liability, payments, due	135
Lease liability, payments, total	621
Lessee, operating lease, liability, undiscounted excess amount	58	[1]
Finance lease, liability, undiscounted excess amount	31	[1]
Lease liability, undiscounted excess amount	89	[1]
Operating lease, liability	428
Finance lease, liability	104
Lease liability, total	$ 532

[1] Calculated using the interest rate for each lease.