Guarantees and Contingent Liabilities - Future Minimum Payments Under Capital Leases and Noncancelable Operating Leases (Detail) $ in Millions	Dec. 31, 2018 USD ($)
Capital Leases
Capital Leases, 2019	$ 17
Capital Leases, 2020	15
Capital Leases, 2021	13
Capital Leases, 2022	10
Capital Leases, 2023	9
Capital Leases, Thereafter	37
Total minimum capital lease payments	101
Less amount representing interest	35
Present value of net minimum capital lease payments	66
Operating Leases
Operating Leases, 2019	291
Operating Leases, 2020	259
Operating Leases, 2021	232
Operating Leases, 2022	195
Operating Leases, 2023	153
Operating Leases, Thereafter	482
Total minimum operating lease payments	$ 1,612

Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments for capital leases due in the next 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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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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Amount of minimum lease payments for capital leases due in the fourth 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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Amount of minimum lease payments for capital leases due in the third 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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Amount of minimum lease payments for capital leases due in the second 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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Amount of minimum lease payments for capital leases due after 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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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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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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