XML 50 R30.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Investments of Insurance Subsidiaries (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract] |
Schedule of Investments | A summary of the insurance subsidiaries’ investments at December 31 follows (dollars in millions):
|  | 2021 |
|  | Amortized Cost |  |  | Unrealized Amounts |  |  | Fair Value |
|  | Gains |  |  | Losses |
Debt securities |  | $ | 400 |  |  | $ | 18 |  |  | $ | (2 | ) |  | $ | 416 |
Money market funds and other |  |  | 125 |  |  |  | — |  |  |  | — |  |  |  | 125 |
|  | $ | 525 |  |  | $ | 18 |  |  | $ | (2 | ) |  |  | 541 |
Amounts classified as current assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (103 | )
Investment carrying value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 438 |
|  | 2020 |
|  | Amortized Cost |  |  | Unrealized Amounts |  |  | Fair Value |
|  | Gains |  |  | Losses |
Debt securities |  | $ | 384 |  |  | $ | 32 |  |  | $ | — |  |  | $ | 416 |
Money market funds and other |  |  | 88 |  |  |  | — |  |  |  | — |  |  |  | 88 |
|  | $ | 472 |  |  | $ | 32 |  |  | $ | — |  |  |  | 504 |
Amounts classified as current assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (116 | )
Investment carrying value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 388 |
Schedule of Maturities of Investments | Scheduled maturities of investments in debt securities at December 31, 2021 were as follows (dollars in millions):
|  | Amortized Cost |  |  | Fair Value |
Due in one year or less |  | $ | 3 |  |  | $ | 3 |
Due after one year through five years |  |  | 128 |  |  |  | 135 |
Due after five years through ten years |  |  | 176 |  |  |  | 183 |
Due after ten years |  |  | 93 |  |  |  | 95 |
|  | $ | 400 |  |  | $ | 416 |

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration