Recently Issued Accounting Pronouncements (Details) $ in Millions	3 Months Ended
Mar. 21, 2020 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 34
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification (Pre-Tax)	44
Accounts Receivable, Credit Loss Expense (reversal) Novel Coronavirus (COVID-19) Impact	$ 68

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

No definition available.

Name:	us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration