Hedging Activities and Fair Value Measurements - Fair Value (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of contingent consideration	$ 367	$ 171
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	182	120
Equity Securities, FV-NI	19	19
Derivative Asset	91	384
Licensing arrangements, asset	9	24
Assets, Fair Value Disclosure	301	547
Derivative Liability	1,416	990
Fair value of contingent consideration	367	171
Licensing arrangements, liability	15	33
Financial and Nonfinancial Liabilities, Fair Value Disclosure	1,798	1,194
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	182	120
Equity Securities, FV-NI	19	19
Derivative Asset	0	0
Licensing arrangements, asset	0	0
Assets, Fair Value Disclosure	201	139
Derivative Liability	0	0
Fair value of contingent consideration	0	0
Licensing arrangements, liability	0	0
Financial and Nonfinancial Liabilities, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	0	0
Equity Securities, FV-NI	0	0
Derivative Asset	91	384
Licensing arrangements, asset	0	0
Assets, Fair Value Disclosure	91	384
Derivative Liability	1,416	990
Fair value of contingent consideration	0	0
Licensing arrangements, liability	0	0
Financial and Nonfinancial Liabilities, Fair Value Disclosure	1,416	990
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value	0	0
Equity Securities, FV-NI	0	0
Derivative Asset	0	0
Licensing arrangements, asset	9	24
Assets, Fair Value Disclosure	9	24
Derivative Liability	0	0
Fair value of contingent consideration	367	171
Licensing arrangements, liability	15	33
Financial and Nonfinancial Liabilities, Fair Value Disclosure	$ 382	$ 203