New Accounting Standards and Reclassifications (Detail) - USD ($) $ in Millions |
Jan. 01, 2019 |
Dec. 31, 2020 |
Jan. 01, 2020 |
Dec. 31, 2019 |
---|---|---|---|---|
New ASU | ||||
Lease, Practical Expedients, Package [true/false] | true | |||
Lease, Practical Expedient, Land Easement [true false] | true | |||
Retained earnings | $ 11,159 | $ 10,592 | ||
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ||||
New ASU | ||||
Retained earnings | $ (2) |
X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
X | ||||||||||
- Definition Indicates (true false) whether practical expedients are elected for not reassessing whether any expired or existing contract is or contains lease, lease classification for expired or existing lease, and initial direct cost for any existing lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition Indicates (true false) whether practical expedient is elected for not assessing existing and expired land easements under Topic 842. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|