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Debt - Summary of Debt (Detail) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Debt Instrument [Line Items] |  |
Commercial paper | $ 0 | $ 25
Other debt | 19 | 15
Total debt | 5,607 | 5,723
Short-term debt and current portion of long-term debt | (466) | (332)
Long-term debt | 5,141 | 5,391
4.70% senior notes due 2020 |  |
Debt Instrument [Line Items] |  |
Senior notes | 0 | 305
3.15% senior notes due 2021 |  |
Debt Instrument [Line Items] |  |
Senior notes | 94 | 94
3.75% senior notes due 2021 |  |
Debt Instrument [Line Items] |  |
Senior notes | 369 | 342
4.00% senior notes due 2022 |  |
Debt Instrument [Line Items] |  |
Senior notes | 250 | 249
3.85% senior notes due 2023 |  |
Debt Instrument [Line Items] |  |
Senior notes | 1,090 | 1,388
4.00% senior notes due 2024 |  |
Debt Instrument [Line Items] |  |
Senior notes | 200 | 199
4.875% senior notes due 2025 |  |
Debt Instrument [Line Items] |  |
Senior notes | 492 | 0
3.90% senior notes due 2025 |  |
Debt Instrument [Line Items] |  |
Senior notes | 47 | 47
4.20% senior notes due 2026 |  |
Debt Instrument [Line Items] |  |
Senior notes | 1,973 | 1,986
5.375% senior notes due 2036 |  |
Debt Instrument [Line Items] |  |
Senior notes | 416 | 416
5.50% senior notes due 2046 |  |
Debt Instrument [Line Items] |  |
Senior notes | $ 657 | $ 657

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- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. + References 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)(2)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: 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(19)(a)(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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