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v3.20.4

Label | Element | Value
--- | --- | ---
Fair Value, Recurring [Member] | Certificates of Deposit [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | $ 2,000,000
Fair Value, Recurring [Member] | Money Market Funds [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 42,000,000
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 99,000,000
Fair Value, Recurring [Member] | US Treasury Securities [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 12,000,000
Fair Value, Recurring [Member] | Commercial Paper [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 14,000,000
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Certificates of Deposit [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Money Market Funds [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 99,000,000
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 42,000,000
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | US Treasury Securities [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Commercial Paper [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 14,000,000
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Certificates of Deposit [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 2,000,000
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Money Market Funds [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 0
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Treasury Securities [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | 12,000,000
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Commercial Paper [Member] |  |
Restricted Cash Equivalents | us-gaap_RestrictedCashEquivalents | $ 0

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- Definition Amount of cash equivalents restricted as to withdrawal or usage. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121583591&loc=SL98516268-108586 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Details
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- Details
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