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Derivatives and Hedging Instruments - Additional Information (Detail) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2020
Derivative [Line Items] |  |
Foreign currency cash flow hedge in AOCI to be reclassified in next 12 months | $ (16,300,000) | $ 35,400,000
Cross-currency interest rate swaps | Designated as hedging instruments |  |
Derivative [Line Items] |  |
Derivative notional amount | 750,000,000.0 | 3,300,000,000
Foreign currency forward contracts | Not designated as hedging instruments |  |
Derivative [Line Items] |  |
Derivative notional amount | 2,500,000,000 | 3,400,000,000
Net Investment Hedging | Foreign currency debt | Designated as hedging instruments |  |
Derivative [Line Items] |  |
Derivative notional amount | 4,100,000,000 | 1,900,000,000
Net Investment Hedging | Foreign currency forward contracts | Designated as hedging instruments |  |
Derivative [Line Items] |  |
Derivative notional amount | 0 | 355,600,000
Cash flow hedge instruments | Foreign currency forward and option contracts |  |
Derivative [Line Items] |  |
Derivative notional amount | 824,800,000 | 912,900,000
Cash flow hedge instruments | Interest Rate Lock Commitments |  |
Derivative [Line Items] |  |
Derivative notional amount | 0 | 0
Derivative, Notional Amount, Amount Settled |  | 1,900,000,000
Interest rate cash flow hedge in AOCI to be reclassified in next 12 months |  | 4,100,000
Cash flow hedges, gain (loss) |  | $ (31,600,000)
Cash flow hedge instruments | Treasury Lock |  |
Derivative [Line Items] |  |
Derivative notional amount | 1,500,000,000 |
Cash flow hedges, gain (loss) | $ 5,100,000 |

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 + Details
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- Definition The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
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- Definition The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
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- Definition Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 + Details
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