XML 79 R63.htm IDEA: XBRL DOCUMENT v3.22.4
Financial Instruments (Schedule of Fair Value Measurement) (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Statement [Line Items]    
Noncurrent investments $ 2,901.8 $ 3,212.6
Carrying Amount    
Statement [Line Items]    
Cash equivalents 657.4 2,379.5
Short-term investments 144.8 90.1
Equity investments without readily determinable fair values 478.4 548.1
Noncurrent investments 2,901.8 3,212.6
Carrying Amount | U.S. government and agency securities    
Statement [Line Items]    
Short-term investments 30.8 25.7
Noncurrent investments 146.4 137.0
Carrying Amount | Corporate debt securities    
Statement [Line Items]    
Short-term investments 53.4 43.7
Noncurrent investments 213.9 235.3
Carrying Amount | Mortgage-backed securities    
Statement [Line Items]    
Short-term investments   0.2
Noncurrent investments 149.2 109.8
Carrying Amount | Asset-backed securities    
Statement [Line Items]    
Short-term investments 2.0 6.2
Noncurrent investments 50.6 23.1
Carrying Amount | Other securities    
Statement [Line Items]    
Short-term investments 58.6 14.3
Carrying Amount | Other securities, noncurrent investments    
Statement [Line Items]    
Equity securities 398.6 108.1
Carrying Amount | Marketable equity securities    
Statement [Line Items]    
Equity securities 683.6 1,279.7
Carrying Amount | Equity method investments    
Statement [Line Items]    
Equity method investments 781.1 771.5
Cost    
Statement [Line Items]    
Cash equivalents 657.4 2,379.5
Cost | U.S. government and agency securities    
Statement [Line Items]    
Short-term investments 31.1 25.6
Noncurrent investments 163.2 136.8
Cost | Corporate debt securities    
Statement [Line Items]    
Short-term investments 53.5 43.7
Noncurrent investments 235.8 232.7
Cost | Mortgage-backed securities    
Statement [Line Items]    
Short-term investments   0.2
Noncurrent investments 161.5 108.1
Cost | Asset-backed securities    
Statement [Line Items]    
Short-term investments 2.0 6.2
Noncurrent investments 52.5 23.1
Cost | Other securities    
Statement [Line Items]    
Short-term investments 58.6 14.3
Cost | Other securities, noncurrent investments    
Statement [Line Items]    
Equity securities 34.5 22.2
Cost | Marketable equity securities    
Statement [Line Items]    
Equity securities 484.7 487.0
Estimate of Fair Value Measurement    
Statement [Line Items]    
Cash equivalents 657.4 2,379.5
Estimate of Fair Value Measurement | U.S. government and agency securities    
Statement [Line Items]    
Short-term investments 30.8 25.7
Noncurrent investments 146.4 137.0
Estimate of Fair Value Measurement | Corporate debt securities    
Statement [Line Items]    
Short-term investments 53.4 43.7
Noncurrent investments 213.9 235.3
Estimate of Fair Value Measurement | Mortgage-backed securities    
Statement [Line Items]    
Short-term investments   0.2
Noncurrent investments 149.2 109.8
Estimate of Fair Value Measurement | Asset-backed securities    
Statement [Line Items]    
Short-term investments 2.0 6.2
Noncurrent investments 50.6 23.1
Estimate of Fair Value Measurement | Other securities    
Statement [Line Items]    
Short-term investments 58.6 14.3
Estimate of Fair Value Measurement | Other securities, noncurrent investments    
Statement [Line Items]    
Equity securities 398.6 108.1
Estimate of Fair Value Measurement | Marketable equity securities    
Statement [Line Items]    
Equity securities 683.6 1,279.7
Estimate of Fair Value Measurement | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Statement [Line Items]    
Cash equivalents 650.4 2,361.0
Estimate of Fair Value Measurement | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. government and agency securities    
Statement [Line Items]    
Short-term investments 30.8 25.7
Noncurrent investments 146.4 137.0
Estimate of Fair Value Measurement | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate debt securities    
Statement [Line Items]    
Short-term investments 0.0 0.0
Noncurrent investments 0.0 0.0
Estimate of Fair Value Measurement | Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage-backed securities    
Statement [Line Items]    
Short-term investments   0.0
Noncurrent investments 0.0 0.0
Estimate of Fair Value Measurement | Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities    
Statement [Line Items]    
Short-term investments 0.0 0.0
Noncurrent investments 0.0 0.0
Estimate of Fair Value Measurement | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other securities    
Statement [Line Items]    
Short-term investments 0.0 0.0
Estimate of Fair Value Measurement | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other securities, noncurrent investments    
Statement [Line Items]    
Equity securities 0.0 0.0
Estimate of Fair Value Measurement | Quoted Prices in Active Markets for Identical Assets (Level 1) | Marketable equity securities    
Statement [Line Items]    
Equity securities 683.6 1,279.7
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2)    
Statement [Line Items]    
Cash equivalents 7.0 18.5
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2) | U.S. government and agency securities    
Statement [Line Items]    
Short-term investments 0.0 0.0
Noncurrent investments 0.0 0.0
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2) | Corporate debt securities    
Statement [Line Items]    
Short-term investments 53.4 43.7
Noncurrent investments 213.9 235.3
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2) | Mortgage-backed securities    
Statement [Line Items]    
Short-term investments   0.2
Noncurrent investments 149.2 109.8
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2) | Asset-backed securities    
Statement [Line Items]    
Short-term investments 2.0 6.2
Noncurrent investments 50.6 23.1
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2) | Other securities    
Statement [Line Items]    
Short-term investments 39.1 0.0
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2) | Other securities, noncurrent investments    
Statement [Line Items]    
Equity securities 311.0 0.0
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2) | Marketable equity securities    
Statement [Line Items]    
Equity securities 0.0 0.0
Estimate of Fair Value Measurement | Significant Unobservable Inputs (Level 3)    
Statement [Line Items]    
Cash equivalents 0.0 0.0
Estimate of Fair Value Measurement | Significant Unobservable Inputs (Level 3) | U.S. government and agency securities    
Statement [Line Items]    
Short-term investments 0.0 0.0
Noncurrent investments 0.0 0.0
Estimate of Fair Value Measurement | Significant Unobservable Inputs (Level 3) | Corporate debt securities    
Statement [Line Items]    
Short-term investments 0.0 0.0
Noncurrent investments 0.0 0.0
Estimate of Fair Value Measurement | Significant Unobservable Inputs (Level 3) | Mortgage-backed securities    
Statement [Line Items]    
Short-term investments   0.0
Noncurrent investments 0.0 0.0
Estimate of Fair Value Measurement | Significant Unobservable Inputs (Level 3) | Asset-backed securities    
Statement [Line Items]    
Short-term investments 0.0 0.0
Noncurrent investments 0.0 0.0
Estimate of Fair Value Measurement | Significant Unobservable Inputs (Level 3) | Other securities    
Statement [Line Items]    
Short-term investments 19.5 14.3
Estimate of Fair Value Measurement | Significant Unobservable Inputs (Level 3) | Other securities, noncurrent investments    
Statement [Line Items]    
Equity securities 87.6 108.1
Estimate of Fair Value Measurement | Significant Unobservable Inputs (Level 3) | Marketable equity securities    
Statement [Line Items]    
Equity securities $ 0.0 $ 0.0