Guarantees and Commitments (Tables)

12 Months Ended

Dec. 31, 2020

Guarantees and Product Warranties [Abstract]

Schedule of Guarantor Obligations

Guarantees are defined as contracts or indemnification agreements that contingently require us to make payments to third parties based on changes in the underlying agreements with the guaranteed parties. The following summarizes our outstanding guarantees, including those of our discontinued operations, made to third parties on our Consolidated Balance Sheet, for the periods shown.

	2020				2019
December 31, ($ in millions)	Maximum liability		Carrying value of liability		Maximum liability		Carrying value of liability
Standby letters of credit and other guarantees	$	262	$	4	$	249	$	6

Financing Commitments

The contractual commitments were as follows.

December 31, ($ in millions)	2020		2019
Unused revolving credit line commitments and other (a)	$	6,142	$	4,384
Commitments to provide capital to investees (b)	778		504
Mortgage loan origination commitments (c)	760		314
Home equity lines of credit (d)	187		226
Construction-lending commitments (e)	101		127

(a)The unused portion of revolving lines of credit reset at prevailing market rates and, approximate market value.

(b)We are committed to contribute capital to certain investees.

(c)Commitments with mortgage loan applicants in which the loan terms, including interest rate and price, are guaranteed for a designated period of time subject to the completion of underwriting procedures.

(d)We are committed to fund the remaining unused balances on home equity lines of credit.

(e)We are committed to fund the remaining unused balance while loans are in the construction period.

Contractual Commitments

We have entered into multiple agreements for sponsorship, information technology, voice and communication technology, and related maintenance. Many of the agreements are subject to variable price provisions, fixed or minimum price provisions, and termination or renewal provisions.

Year ended December 31, ($ in millions)
2021	$	71
2022	58
2023	127
2024	19
2025	11
2026 and thereafter	25
Total future payment obligations	$	311