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Acquisition of Aetna - Consideration Transferred (Details) - Aetna Inc. shares in Millions | Nov. 28, 2018 USD ($) shares
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Business Acquisition [Line Items] |
Cash | $ 48,089,000,000
Common stock (274.4 million shares) | 22,117,000,000
Fair value of replacement equity awards for pre-combination services (9.9 million shares) | 367,000,000
Effective settlement of pre-existing relationship | (807,000,000)
Total consideration transferred | $ 69,766,000,000
Common stock (in shares) | shares | 274.4
Fair value of replacement equity awards for pre-combination services (in shares) | shares | 9.9
Common stock, shares outstanding (in shares) | shares | 327.6
Weighted average share price of stock (in dollars per share) | $ 80.59
Post-combination compensation costs | $ 232,000,000

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