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Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Schedule of Lease Related Assets and Liabilities

Operating lease amounts included on the Consolidated Balance Sheets are as follows:

						December 31,
						2022						2021
						($ in millions)
			Classification
Assets
Right-of-use (ROU) assets			Other assets			$	407					$	411
Liabilities
Current lease liabilities			Other current liabilities			$	94					$	82
Non-current lease liabilities			Other liabilities			316						331
Total lease liabilities						$	410					$	413

Lease, Cost

The components of total lease expense, primarily included in “Purchased services and rents,” are as follows:

			2022						2021						2020
			($ in millions)
Operating lease expense			$	101					$	106					$	109
Variable lease expense			55						44						42
Short-term lease expense			18						9						9
Total lease expense			$	174					$	159					$	160

Other information related to operating leases is as follows:

			December 31,
			2022						2021
Weighted-average remaining lease term (years) on operating leases			6.67						7.49
Weighted-average discount rates on operating leases			3.16		%				3.04		%

Lessee, Operating Lease, Liability, Maturity

Future minimum lease payments under non-cancellable operating leases are as follows:

			December 31, 2022
			($ in millions)
2023			$	103
2024			95
2025			87
2026			69
2027			27
2028 and subsequent years			81
Total lease payments			462
Less: Interest			52
Present value of lease liabilities			$	410

			December 31, 2021
			($ in millions)
2022			$	92
2023			83
2024			73
2025			69
2026			55
2027 and subsequent years			98
Total lease payments			470
Less: Interest			57
Present value of lease liabilities			$	413

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- Definition

Assets And Liabilities, Lessee [Table Text Block]

+ References

No definition available.

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- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980

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- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980

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