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Other Income - Net (Tables)
 12 Months Ended
Dec. 31, 2021
Other Income and Expenses [Abstract]  
Schedule of Other Income - Net Other income – net consisted of the following:
 Fiscal Years 
(Dollars in Millions)202120202019
Net Periodic Pension and Post-retirement Benefit Credit (a)
$64 $42 $43 
Interest Income7 17 48 
Debt Repurchase Expense— (48)(10)
Miscellaneous Income8 8 7 
Total Other Income - Net$79 $19 $88 
(a) Excludes the service cost component of net periodic benefit cost.