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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 | Sep. 30, 2021 USD ($)
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Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | $ 43,687
Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 39,949
Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3,738
2021 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 6,847
2021 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 6,196
2021 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 651
2020 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 10,224
2020 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 9,481
2020 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 743
2019 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 6,894
2019 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 6,300
2019 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 594
2018 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 5,562
2018 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 5,463
2018 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 99
2017 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3,880
2017 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3,700
2017 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 180
Prior to 2017 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 9,005
Prior to 2017 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 8,791
Prior to 2017 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 214
Revolving Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1,275
Revolving Loans | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 18
Revolving Loans | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1,257
Pass | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 37,401
Pass | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3,681
Pass | 2021 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 6,196
Pass | 2021 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 651
Pass | 2020 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 9,374
Pass | 2020 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 741
Pass | 2019 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 5,912
Pass | 2019 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 592
Pass | 2018 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 4,948
Pass | 2018 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 98
Pass | 2017 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3,446
Pass | 2017 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 172
Pass | Prior to 2017 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 7,508
Pass | Prior to 2017 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 199
Pass | Revolving Loans | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 17
Pass | Revolving Loans | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1,228
Special Mention | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1,784
Special Mention | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3
Special Mention | 2020 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 90
Special Mention | 2019 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 280
Special Mention | 2018 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 363
Special Mention | 2017 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 143
Special Mention | Prior to 2017 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 908
Special Mention | Revolving Loans | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3
Substandard | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 764
Substandard | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 54
Substandard | 2020 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 17
Substandard | 2020 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 2
Substandard | 2019 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 108
Substandard | 2019 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 2
Substandard | 2018 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 152
Substandard | 2018 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1
Substandard | 2017 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 111
Substandard | 2017 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 8
Substandard | Prior to 2017 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 375
Substandard | Prior to 2017 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 15
Substandard | Revolving Loans | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1
Substandard | Revolving Loans | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | $ 26

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