Income Taxes And Tax-Related Items Principal Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Allowance for depreciation	$ 7	$ 0
Allowance for loan losses	124	199
Deferred compensation	71	59
Deferred loan origination fees and costs	17	19
Net unrealized gains on investment securities available-for-sale	30	0
Operating lease liabilities	74	72
Other temporary differences, net	21	51
Total deferred tax asset before valuation allowance	344	400
Valuation allowance	(5)	(3)
Total deferred tax assets	339	397
Deferred tax liabilities:
Lease financing transactions	(49)	(70)
Defined benefit plans	(198)	(137)
Allowance for depreciation	0	(11)
Net hedging gains	(17)	(47)
Leasing right of use assets	(66)	(64)
Net unrealized gains on investment securities available-for-sale	0	(65)
Total deferred tax liabilities	(330)	(394)
Net deferred tax asset	$ 9	$ 3

The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from deferred loan origination fees and costs which can only be deducted for tax purposes when the loan has matured or been sold, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

No definition available.