Note 14 - Shareholders' Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023		Dec. 31, 2022		Dec. 31, 2021
Balance		$ 12,275		$ 12,545		$ 13,448
Amounts reclassified from accumulated other comprehensive loss (5)		(60)		(58)		(52)
Other comprehensive loss, net of tax		(218)		(655)		(435)
Balance		11,868		12,275		12,545
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance		(1,712)		(933)		(329)	[1]
Other comprehensive (loss) income before reclassifications		(235)	[2]	(762)	[3]	(582)	[4]
Equity method affiliates	[5]	5		(17)		(22)
Other comprehensive loss, net of tax		(230)		(779)		(604)
Balance		(1,942)		(1,712)		(933)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance		(118)		(272)		(450)	[1]
Other comprehensive (loss) income before reclassifications		1	[2]	151	[3]	178	[4]
Amounts reclassified from accumulated other comprehensive loss (5)	[6]	(25)		3
Other comprehensive loss, net of tax		(24)		154		178
Balance		(142)		(118)		(272)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance		(3)		(3)		(3)	[1]
Other comprehensive loss, net of tax						0
Balance		(3)		(3)		(3)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Balance		3		33		42	[1]
Other comprehensive (loss) income before reclassifications		71	[2]	31	[3]	43	[4]
Amounts reclassified from accumulated other comprehensive loss (5)	[6]	(35)		(61)		(52)
Other comprehensive loss, net of tax		36		(30)		(9)
Balance		39		3		33
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Balance		(1,830)		(1,175)		(740)	[1]
Other comprehensive (loss) income before reclassifications		(163)	[2]	(580)	[3]	(361)	[4]
Amounts reclassified from accumulated other comprehensive loss (5)	[6]	(60)		(58)		(52)
Equity method affiliates	[5]	5		(17)		(22)
Other comprehensive loss, net of tax		(218)		(655)		(435)
Balance		$ (2,048)		$ (1,830)		$ (1,175)

[1] All amounts are after tax. Amounts in parentheses indicate debits to accumulated other comprehensive loss.

[2] Amounts are net of total tax benefit of $19 million, primarily driven by $12 million and $8 million related to foreign currency translation adjustments and the hedging component, respectively, offset by negative impacts of $1 million related to retirement plans.

[3] Amounts are net of total tax benefit of $22 million, primarily driven by $29 million and $24 million related to foreign currency translation adjustments and the hedging component, respectively, offset by negative impacts of $31 million related to retirement plans.

[4] Amounts are net of total tax expense of $4 million, primarily driven by $51 million related to retirement plans, offset by positive impacts of $44 million and $3 million related to foreign currency translation adjustments and the hedging component, respectively.

[5] Tax effects related to equity method affiliates are not significant in the reported periods.

[6] Tax effect of reclassifications are disclosed separately within the footnote.