Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summary of Tax Attribute Carryforwards (Details)

v3.20.4
Income Taxes - Summary of Tax Attribute Carryforwards (Details)
$ in Millions
Dec. 26, 2020
USD ($)
Federal  
Tax Attribute Carryforwards [Line Items]  
Operating loss carryforwards, amount $ 5,200
Tax credit carryforward, amount 385
State/Provincial  
Tax Attribute Carryforwards [Line Items]  
Operating loss carryforwards, amount 343
Tax credit carryforward, amount 252
Canada Tax Authority  
Tax Attribute Carryforwards [Line Items]  
Tax credit carryforward, amount $ 494