Debt Financing Arrangements (Long-Term Debt) (Details) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2023 EUR (€)	Aug. 28, 2023	Jun. 23, 2023	Apr. 03, 2023 USD ($)	Dec. 31, 2022 USD ($)	Aug. 26, 2020 USD ($)
Debt Instruments [Line Items]
Long-term Debt	$ 8,260					$ 8,677
Current maturities	(1)					(942)
Total long-term debt	8,259					7,735
Notes One Point Seventy Five Percent Due In Two Thousand Twenty-Three [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 0					641
Debt Instrument, Face Amount | €		€ 600
Debt Instrument, Interest Rate, Stated Percentage	1.75%	1.75%		1.75%
Debt instrument, maturity year	2023
Notes Four Point Five Percent due Two Thousand Forty-Nine [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 589					589
Debt Instrument, Face Amount	$ 600
Debt Instrument, Interest Rate, Stated Percentage	4.50%	4.50%
Debt instrument, maturity year	2049
Notes Two Point Five Percent Due in Two Thousand Twenty-Six [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 998					997
Debt Instrument, Face Amount	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	2.50%	2.50%
Debt instrument, maturity year	2026
Notes One Percent Due in Two Thousand Twenty-Five [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 717					691
Debt Instrument, Face Amount | €		€ 650
Debt Instrument, Interest Rate, Stated Percentage	1.00%	1.00%
Debt instrument, maturity year	2025
Notes Three Point Seventy-Five Percent Due in Two Thousand Forty-Seven [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 403					403
Debt Instrument, Face Amount	$ 408
Debt Instrument, Interest Rate, Stated Percentage	3.75%	3.75%
Debt instrument, maturity year	2047
Debentures five point three seven five percent due in two thousand thirty five [Member}
Debt Instruments [Line Items]
Long-term Debt	$ 426					425
Debt Instrument, Face Amount	$ 432
Debt Instrument, Interest Rate, Stated Percentage	5.375%	5.375%
Debt instrument, maturity year	2035
Debentures five point seven six five percent due in two thousand forty one [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 297					297
Debt Instrument, Face Amount	$ 297
Debt Instrument, Interest Rate, Stated Percentage	5.765%	5.765%
Debt instrument, maturity year	2041
Debentures five point nine three five percent due in two thousand thirty two [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 334					334
Debt Instrument, Face Amount	$ 336
Debt Instrument, Interest Rate, Stated Percentage	5.935%	5.935%
Debt instrument, maturity year	2032
Debentures four point zero one six percent due in two thousand forty three [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 263					260
Debt Instrument, Face Amount	$ 371
Debt Instrument, Interest Rate, Stated Percentage	4.016%	4.016%
Debt instrument, maturity year	2043
Debentures four point five three five percent due in two thousand forty two [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 288					286
Debt Instrument, Face Amount	$ 383
Debt Instrument, Interest Rate, Stated Percentage	4.535%	4.535%
Debt instrument, maturity year	2042
Debentures seven percent due in two thousand thirty one [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 159					159
Debt Instrument, Face Amount	$ 160
Debt Instrument, Interest Rate, Stated Percentage	7.00%	7.00%
Debt instrument, maturity year	2031
Debentures six point six two five percent due in two thousand twenty nine [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 144					144
Debt Instrument, Face Amount	$ 144
Debt Instrument, Interest Rate, Stated Percentage	6.625%	6.625%
Debt instrument, maturity year	2029
Debentures six point ninety-five due in two thousand ninety seven [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 154					154
Debt Instrument, Face Amount	$ 157
Debt Instrument, Interest Rate, Stated Percentage	6.95%	6.95%
Debt instrument, maturity year	2097
Debentures seven point five percent due in two thousand twenty seven [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 147					147
Debt Instrument, Face Amount	$ 147
Debt Instrument, Interest Rate, Stated Percentage	7.50%	7.50%
Debt instrument, maturity year	2027
Debentures six point forty-five percent due in two thousand thirty eight [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 102					102
Debt Instrument, Face Amount	$ 103
Debt Instrument, Interest Rate, Stated Percentage	6.45%	6.45%
Debt instrument, maturity year	2038
Debentures six point seventy-five percent due in two thousand twenty seven [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 103					103
Debt Instrument, Face Amount	$ 103
Debt Instrument, Interest Rate, Stated Percentage	6.75%	6.75%
Debt instrument, maturity year	2027
Notes Two Point Twenty-Five Percent Due in 2030
Debt Instruments [Line Items]
Long-term Debt	$ 991					989
Debt Instrument, Face Amount	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	3.25%	3.25%
Debt instrument, maturity year	2030
Bonds Zero Percent Due in 2023 [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 0					304
Debt Instrument, Face Amount							$ 300
Debt Instrument, Interest Rate, Stated Percentage			0.00%				0.00%
Debt instrument, maturity year	2023
Notes Two Point Seven Percent Due in Twenty Fifty-One
Debt Instruments [Line Items]
Long-term Debt	$ 732					731
Debt Instrument, Face Amount	$ 750
Debt Instrument, Interest Rate, Stated Percentage	2.70%	2.70%
Debt instrument, maturity year	2051
Other [Member]
Debt Instruments [Line Items]
Long-term Debt	$ 177					177
Notes Two Point Nine Percent due in 2032
Debt Instruments [Line Items]
Long-term Debt	744					744
Debt Instrument, Face Amount	$ 750
Debt Instrument, Interest Rate, Stated Percentage	2.90%	2.90%
Debt instrument, maturity year	2032
Notes Four Point Five Percent Due in 2033
Debt Instruments [Line Items]
Long-term Debt	$ 492					$ 0
Debt Instrument, Face Amount	$ 500				$ 500
Debt Instrument, Interest Rate, Stated Percentage	4.50%	4.50%			4.50%
Debt instrument, maturity year	2033