Bank Premises and Equipment (Annual Future Minimum Payments under Capital Leases and Noncancelable Operating Leases (Detail)) $ in Millions	Dec. 31, 2018 USD ($)
Noncancelable Operating Leases
Property, Plant and Equipment
2019	$ 86
2020	80
2021	67
2022	60
2023	54
Thereafter	256
Total minimum lease payments	603
Amounts representing interest	0
Present value of net minimum lease payments	0
Capital Leases
Property, Plant and Equipment
2019	6
2020	5
2021	4
2022	4
2023	0
Thereafter	1
Total minimum lease payments	20
Amounts representing interest	2
Present value of net minimum lease payments	$ 18

Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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