Segment Information - Major Customers (Details) - USD ($) $ in Millions |
3 Months Ended | |
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Mar. 31, 2024 |
Mar. 31, 2023 |
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| Loss Contingencies [Line Items] | ||
| Revenues from external customers | $ 56,965 | $ 46,240 |
| Revenue | Customer Concentration Risk | U.S. Federal Government Agencies | ||
| Loss Contingencies [Line Items] | ||
| Concentration percentage | 13.00% | |
| Revenue | Customer Concentration Risk | Single Pharmacy Benefit Client | ||
| Loss Contingencies [Line Items] | ||
| Concentration percentage | 15.00% | |
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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