Derivative Instruments (Forward Currency Exchange Contracts) (Details) - Foreign Exchange Contract $ in Millions, € in Billions	6 Months Ended	12 Months Ended
	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jun. 30, 2024 EUR (€)	Dec. 31, 2023 EUR (€)
Derivative [Line Items]
Derivative, notional amount	$ 7,797	$ 7,627
Maximum Remaining Maturity of Foreign Currency Derivatives	3 years	2 years 10 months 24 days
Total fair value	$ 40	$ 19
Other current assets
Derivative [Line Items]
Derivative assets	72	114
Other noncurrent assets
Derivative [Line Items]
Derivative assets	16	2
Other current liabilities
Derivative [Line Items]
Derivative liabilities	(29)	(52)
Other noncurrent liabilities
Derivative [Line Items]
Derivative liabilities	(19)	(45)
Non-Designated
Derivative [Line Items]
Derivative, notional amount	4,579	4,315
Total fair value	33	(20)
Non-Designated | Other current assets
Derivative [Line Items]
Derivative assets	40	16
Non-Designated | Other noncurrent assets
Derivative [Line Items]
Derivative assets	0	0
Non-Designated | Other current liabilities
Derivative [Line Items]
Derivative liabilities	(7)	(36)
Non-Designated | Other noncurrent liabilities
Derivative [Line Items]
Derivative liabilities	0	0
Cash Flow | Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	1,611	1,650
Total fair value	11	8
Cash Flow | Designated as Hedging Instrument | Other current assets
Derivative [Line Items]
Derivative assets	32	24
Cash Flow | Designated as Hedging Instrument | Other noncurrent assets
Derivative [Line Items]
Derivative assets	2	2
Cash Flow | Designated as Hedging Instrument | Other current liabilities
Derivative [Line Items]
Derivative liabilities	(22)	(16)
Cash Flow | Designated as Hedging Instrument | Other noncurrent liabilities
Derivative [Line Items]
Derivative liabilities	(1)	(2)
Net Investment | Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	1,607	1,662	€ 1.5	€ 1.5
Total fair value	(4)	31
Net Investment | Designated as Hedging Instrument | Other current assets
Derivative [Line Items]
Derivative assets	0	74
Net Investment | Designated as Hedging Instrument | Other noncurrent assets
Derivative [Line Items]
Derivative assets	14	0
Net Investment | Designated as Hedging Instrument | Other current liabilities
Derivative [Line Items]
Derivative liabilities	0	0
Net Investment | Designated as Hedging Instrument | Other noncurrent liabilities
Derivative [Line Items]
Derivative liabilities	$ (18)	$ (43)