Loans and Leases - Schedule of Credit Quality Indicator, Loan Class and Year of Origination the Amortized Cost Basis of Loans And Leases (Details) $ in Millions	Dec. 31, 2022 USD ($)
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	$ 69,001
Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	54,473
Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	14,528
Pass | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	52,195
Pass | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	14,444
Special Mention | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	1,106
Special Mention | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	19
Substandard | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	1,172
Substandard | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	65
2022
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	18,246
2022 | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	12,818
2022 | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	5,428
2022 | Pass | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	12,817
2022 | Pass | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	5,415
2022 | Special Mention | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	12
2022 | Substandard | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	1
2022 | Substandard | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	1
2021
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	11,911
2021 | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	10,946
2021 | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	965
2021 | Pass | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	10,925
2021 | Pass | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	964
2021 | Special Mention | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	15
2021 | Substandard | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	6
2021 | Substandard | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	1
2020
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	9,931
2020 | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	9,272
2020 | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	659
2020 | Pass | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	9,121
2020 | Pass | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	637
2020 | Special Mention | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	103
2020 | Substandard | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	48
2020 | Substandard | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	22
2019
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	6,723
2019 | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	5,987
2019 | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	736
2019 | Pass | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	5,519
2019 | Pass | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	727
2019 | Special Mention | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	244
2019 | Special Mention | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	7
2019 | Substandard | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	224
2019 | Substandard | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	2
2018
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	4,920
2018 | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	4,731
2018 | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	189
2018 | Pass | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	4,301
2018 | Pass | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	180
2018 | Special Mention | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	293
2018 | Substandard | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	137
2018 | Substandard | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	9
Prior To 2018
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	9,532
Prior To 2018 | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	9,259
Prior To 2018 | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	273
Prior To 2018 | Pass | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	8,055
Prior To 2018 | Pass | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	266
Prior To 2018 | Special Mention | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	451
Prior To 2018 | Substandard | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	753
Prior To 2018 | Substandard | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	7
Revolving Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	7,680
Revolving Loans | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	1,452
Revolving Loans | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	6,228
Revolving Loans | Pass | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	1,452
Revolving Loans | Pass | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	6,209
Revolving Loans | Substandard | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	19
Revolving Loans Converted tto Term Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	58
Revolving Loans Converted tto Term Loans | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	8
Revolving Loans Converted tto Term Loans | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	50
Revolving Loans Converted tto Term Loans | Pass | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	5
Revolving Loans Converted tto Term Loans | Pass | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	46
Revolving Loans Converted tto Term Loans | Substandard | Mortgage Receivable
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	3
Revolving Loans Converted tto Term Loans | Substandard | Other Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and lease receivable amortized cost basis	$ 4