Note 16 - Shareholders' Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Balance		$ 12,545		$ 13,448		$ 12,997
Amounts reclassified from accumulated other comprehensive income (5)		(58)		(52)		23
Other comprehensive (loss) income, net of tax		(655)		(435)		431
Balance		12,275		12,545		13,448
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance		(933)		(329)		(857)	[1]
Other comprehensive (loss) income before reclassifications		(762)	[2]	(582)	[3]	511	[4]
Amounts reclassified from accumulated other comprehensive income (5)	[5]
Equity method affiliates		(17)	[6]	(22)	[6]	17
Other comprehensive (loss) income, net of tax		(779)		(604)		528
Balance		(1,712)		(933)		(329)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance		(272)		(450)		(362)	[1]
Other comprehensive (loss) income before reclassifications		151	[2]	178	[3]	(106)	[4]
Amounts reclassified from accumulated other comprehensive income (5)	[5]	3				18
Other comprehensive (loss) income, net of tax		154		178		(88)
Balance		(118)		(272)		(450)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance		(3)		(3)		(3)	[1]
Other comprehensive (loss) income before reclassifications	[4]
Amounts reclassified from accumulated other comprehensive income (5)	[5]
Other comprehensive (loss) income, net of tax						0
Balance		(3)		(3)		(3)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Balance		33		42		51	[1]
Other comprehensive (loss) income before reclassifications		31	[2]	43	[3]	(14)	[4]
Amounts reclassified from accumulated other comprehensive income (5)	[5]	(61)		(52)		5
Other comprehensive (loss) income, net of tax		(30)		(9)		(9)
Balance		3		33		42
AOCI Including Portion Attributable to Noncontrolling Interest [Member]
Balance		(1,175)		(740)		(1,171)	[1]
Other comprehensive (loss) income before reclassifications		(580)	[2]	(361)	[3]	391	[4]
Amounts reclassified from accumulated other comprehensive income (5)	[5]	(58)		(52)		23
Equity method affiliates		(17)	[6]	(22)	[6]	17
Other comprehensive (loss) income, net of tax		(655)		(435)		431
Balance		$ (1,830)		$ (1,175)		$ (740)

[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 $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.

[3] 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.

[4] Amounts are net of total tax expense of $22 million, primarily driven by $55 million related to foreign currency translation adjustments; embedded in this number are positive impacts of $5 million related to the hedging component and $28 million related to retirement plans.

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

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