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Commitments and Contingencies - Narrative (Details) $ in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Nov. 30, 2021 customer member | Apr. 30, 2020 customer lawsuit | Jan. 31, 2020 securityAdvisor | Nov. 30, 2018 subclass | Aug. 31, 2017 individual | Dec. 31, 2021 USD ($) thirdParty | Dec. 31, 2020 USD ($) | Jan. 31, 2018 claim
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of distinct third parties | thirdParty |  |  |  |  |  | 2 |  |
Other commitment | $ |  |  |  |  |  | $ 100 |  |
Loss contingency accrual | $ |  |  |  |  |  | 90 | $ 89 |
Number of certified subclasses | subclass |  |  |  | 4 |  |  |  |
Loss Contingency, Number of Plaintiffs |  |  | 7 |  | 2 |  |  |
Number of customer's account | customer |  | 200 |  |  |  |  |  |
Number of customer | customer | 7 |  |  |  |  |  |  |
Number of members of respective households | member | 14 |  |  |  |  |  |  |
Shareholder Litigation |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Loss contingency, pending claims, number | claim |  |  |  |  |  |  |  | 5
Unauthorized Access Litigation |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Loss contingency, pending claims, number |  | 7 |  |  |  |  |  |
Unauthorized Access Litigation | Putative Class Actions |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Loss contingency, pending claims, number |  | 4 |  |  |  |  |  |
Unauthorized Access Litigation | Individual Claims |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Loss contingency, pending claims, number |  | 4 |  |  |  |  |  |
Unauthorized Access Litigation | Individual Claims Settled |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Loss contingency, pending claims, number |  | 1 |  |  |  |  |  |
Unauthorized Access Litigation | Putative Class Actions Settled |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Loss contingency, pending claims, number |  | 1 |  |  |  |  |  |
Google | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Collaborative arrangement, future milestone contributions | $ |  |  |  |  |  | $ 150 |  |

X
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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