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Note 2 - Cash, Cash Equivalents and Restricted Cash (Tables)
 12 Months Ended
Dec. 31, 2021
Cash And Cash Equivalents [Abstract]  
Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Statement of Financial Position that sums to the total of such amounts shown in the Statement of Cash Flows:

 

 

 

As of December 31,

 

(in millions)

 

2021

 

 

2020

 

Cash and cash equivalents

 

$

362

 

 

$

196

 

Restricted cash reported in Other current assets

 

 

7

 

 

 

7

 

Restricted cash

 

 

54

 

 

 

53

 

Total cash, cash equivalents and restricted cash shown in the

   Statement of Cash Flows

 

$

423

 

 

$

256