Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Supplemental operating lease cash flow information [Table Text Block]

Supplemental cash flow information related to operating leases were as follows:

(dollars in millions)	2020		2019
Operating cash flows used in the measurement of operating lease liabilities	$	420	$	411
Operating lease right-of-use assets obtained in exchange for operating lease obligations	299		123

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Future lease payments related to our operating lease liabilities as of December 31, 2020 are as follows:

(dollars in millions)
2021	$	632
2022	468
2023	335
2024	231
2025	158
Thereafter	646
Total undiscounted lease payments (1)	2,470
Less imputed interest	(472)
Total discounted lease payments	$	1,998

(1)    Total future lease payments excluded approximately $58 million of future lease payments related to leases that were signed but had not yet commenced as of December 31, 2020.

Operating lease payments recognized in statement of financial position

Our lease liabilities recognized in our Consolidated Balance Sheet were as follows as of December 31:

(dollars in millions)	2020		2019
Operating lease liabilities, current (included in Other accrued liabilities)	$	(482)	$	(245)
Operating lease liabilities, noncurrent	(1,516)		(1,093)
Total operating lease liabilities	$	(1,998)	$	(1,338)