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Property, Plant and Equipment, Net - Property, Plant and Equipment, Net (Detail) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Gross Cost | $ 22,605 | $ 20,552
Accumulated Depreciation | (18,009) | (16,545)
Net Cost | 4,596 | 4,007
Land [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Gross Cost | 86 | 78
Net Cost | 86 | 78
Buildings [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Gross Cost | 995 | 905
Accumulated Depreciation | (567) | (505)
Net Cost | 428 | 400
Facilities and Leasehold Improvements [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Gross Cost | 3,545 | 3,193
Accumulated Depreciation | (3,038) | (2,762)
Net Cost | 507 | 431
Machinery and Equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Gross Cost | 16,689 | 15,336
Accumulated Depreciation | (13,859) | (12,790)
Net Cost | 2,830 | 2,546
Computer and R&D Equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Gross Cost | 402 | 382
Accumulated Depreciation | (347) | (335)
Net Cost | 55 | 47
Operating Lease Right-of-Use Assets [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Gross Cost | 290 | 266
Accumulated Depreciation | (99) | (60)
Net Cost | 191 | 206
Other Tangible Assets [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Gross Cost | 118 | 110
Accumulated Depreciation | (99) | (93)
Net Cost | 19 | 17
Construction in Progress [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Gross Cost | 480 | 282
Net Cost | $ 480 | $ 282

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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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