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Financial Instruments and Risk Management - Schedule of Financial Assets (Liabilities) Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | $ 29 | $ 25
Derivative instruments | 6 | 65
Derivative instruments | (43) | (2)
Contingent consideration on business acquisitions | (77) | (123)
Total | 206 | 679
Fair Value Through Earnings [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | 29 | 25
Short-Term Deposits [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | 291 | 581
U.S. Treasury Debt Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities |  | 133
Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total | 320 | 739
Fair Value, Inputs, Level 1 [Member] | Fair Value Through Earnings [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | 29 | 25
Fair Value, Inputs, Level 1 [Member] | Short-Term Deposits [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | 291 | 581
Fair Value, Inputs, Level 1 [Member] | U.S. Treasury Debt Securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities |  | 133
Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total | (37) | 63
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Contingent consideration on business acquisitions | (77) | (123)
Total | (77) | (123)
Designated as Hedging Instrument [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative instruments | 3 | 55
Derivative instruments | (42) |
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative instruments | 3 | 55
Derivative instruments | (42) |
Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Cash Flow Hedging [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative instruments | 3 | 55
Derivative instruments | (42) |
Not Designated as Hedging Instrument [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative instruments | 3 | 10
Derivative instruments | (1) | (2)
Not Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative instruments | 3 | 10
Derivative instruments | (1) | (2)
Not Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Cash Flow Hedging [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative instruments | 3 | 10
Derivative instruments | $ (1) | $ (2)

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