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v3.20.2

Subsequent Events - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | Jul. 13, 2020 | Jun. 30, 2020 | Oct. 30, 2018
--- | --- | --- | ---
Subsequent Event [Line Items] |  |  |
Share repurchase program authorized amount |  | $ 1,500 | $ 1,500
Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Share repurchase program authorized amount | $ 750 |  |
Minimum [Member] | Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Average cost per share of shares repurchased | $ 44.75 |  |
Maximum [Member] | Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Average cost per share of shares repurchased | $ 50.00 |  |

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |