PROPERTY, PLANT AND EQUIPMENT AND OPERATING LEASE RIGHT-OF-USE ASSETS (Tables)

3 Months Ended

Mar. 31, 2019

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

PROPERTY, PLANT AND EQUIPMENT (In millions)	March 31, 2019			December 31, 2018
Original cost	$	86,037		$	85,476
Less accumulated depreciation and amortization	(35,773		)	(35,637		)
Property, plant and equipment – net	$	50,265		$	49,839

Schedule of Operating Lease Expense and Supplemental Information

OPERATING LEASE EXPENSE	Long-term (fixed)				Long-term (Variable)				Short-term				Total Operating lease expense
March 31 (In millions)	2019		2018		2019		2018		2019		2018		2019		2018
Total	$	269	$	310	$	61	$	63	$	170	$	118	$	499	$	492

MATURITY OF LEASE LIABILITIES  (In millions)	Total
2019 (excluding three months ended March 31, 2019)	$	819
2020	929
2021	743
2022	617
2023	491
Thereafter	1,434
Total undiscounted lease payments	5,034
Less: imputed interest	(854		)
Total lease liability	$	4,180

SUPPLEMENTAL INFORMATION RELATED TO OPERATING LEASES (Dollars in millions)	March 31, 2019
Operating cash flows used for operating leases	$	274
Right-of-use assets obtained in exchange for new lease liabilities	$	201
Weighted-average remaining lease term	7.6 years
Weighted-average discount rate	5.0		%

Schedule of Maturity of Lease Liabilities

MATURITY OF LEASE LIABILITIES  (In millions)	Total
2019 (excluding three months ended March 31, 2019)	$	819
2020	929
2021	743
2022	617
2023	491
Thereafter	1,434
Total undiscounted lease payments	5,034
Less: imputed interest	(854		)
Total lease liability	$	4,180