Derivative Instruments (Forward Currency Exchange Contracts) (Details) - Foreign Exchange Contract $ in Millions, € in Billions	6 Months Ended	12 Months Ended
	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2023 EUR (€)	Dec. 31, 2022 EUR (€)
Derivative [Line Items]
Derivative, notional amount	$ 6,324	$ 6,068
Maximum Remaining Maturity of Foreign Currency Derivatives	3 years 4 months 24 days	3 years 10 months 24 days
Total fair value	$ 87	$ 17
Other current assets
Derivative [Line Items]
Derivative assets	54	29
Other noncurrent assets
Derivative [Line Items]
Derivative assets	81	90
Other current liabilities
Derivative [Line Items]
Derivative liabilities	(21)	(85)
Other noncurrent liabilities
Derivative [Line Items]
Derivative liabilities	(27)	(17)
Non-Designated
Derivative [Line Items]
Derivative, notional amount	3,885	3,417
Total fair value	9	(70)
Non-Designated | Other current assets
Derivative [Line Items]
Derivative assets	24	9
Non-Designated | Other noncurrent assets
Derivative [Line Items]
Derivative assets	0	0
Non-Designated | Other current liabilities
Derivative [Line Items]
Derivative liabilities	(15)	(79)
Non-Designated | Other noncurrent liabilities
Derivative [Line Items]
Derivative liabilities	0	0
Cash Flow | Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	809	1,053
Total fair value	26	14
Cash Flow | Designated as Hedging Instrument | Other current assets
Derivative [Line Items]
Derivative assets	30	20
Cash Flow | Designated as Hedging Instrument | Other noncurrent assets
Derivative [Line Items]
Derivative assets	2	1
Cash Flow | Designated as Hedging Instrument | Other current liabilities
Derivative [Line Items]
Derivative liabilities	(6)	(6)
Cash Flow | Designated as Hedging Instrument | Other noncurrent liabilities
Derivative [Line Items]
Derivative liabilities	0	(1)
Net Investment | Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount	1,630	1,598	€ 1.5	€ 1.5
Total fair value	52	73
Net Investment | Designated as Hedging Instrument | Other current assets
Derivative [Line Items]
Derivative assets	0	0
Net Investment | Designated as Hedging Instrument | Other noncurrent assets
Derivative [Line Items]
Derivative assets	79	89
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	$ (27)	$ (16)