Debt - Minimum Annual Repayments of Debt (Detail) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Total	$ 24,854	$ 24,445
Operating segments
Debt Instrument [Line Items]
2020	10,473
2021	5,184
2022	2,830
2023	1,939
2024	991
2025 and thereafter	3,437
Intersegment
Debt Instrument [Line Items]
Total	0
Industrial Activities
Debt Instrument [Line Items]
Total	6,558	6,347
Industrial Activities \| Operating segments
Debt Instrument [Line Items]
2020	34
2021	427
2022	458
2023	1,034
2024	4
2025 and thereafter	3,269
Industrial Activities \| Intersegment
Debt Instrument [Line Items]
Total	1,332
Financial services
Debt Instrument [Line Items]
Total	20,748	$ 20,436
Financial services \| Operating segments
Debt Instrument [Line Items]
2020	10,439
2021	4,757
2022	2,372
2023	905
2024	987
2025 and thereafter	168
Financial services \| Intersegment
Debt Instrument [Line Items]
Total	$ 1,120

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-SubTopic 210
-Section S99
-Paragraph 1
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing 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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing 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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