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Supplemental Cash Flow Information
3 Months Ended
Mar. 31, 2022
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information
The following supplemental cash flow information is provided with respect to certain cash payment and non-cash investing and financing activities.
 Three months ended March 31,
20222021
Cash paid for: 
Interest$36 $29 
Income taxes
Deferred sales inducements16 21 
Non-cash investing and financing activities:
Change in proceeds of sales of investments available for sale receivable in period81 (9)
Change in purchases of investments available for sale payable in period277 164 
Lease liabilities recognized in exchange for lease right-of-use assets15 
Remeasurement of lease liabilities15 13