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Capital structure and financing (Tables) | 12 Months Ended
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Dec. 31, 2022
Share Capital, Reserves And Other Equity Interest And Financial Instruments [Abstract] |
Disclosure of share capital, share premium | Share capital, share premium
| 2022 (i) | 2021
Authorized and registered share capital (number of shares) | 200,000,000 |  | 133,333,200 |
Subscribed and fully paid up share capital (number of shares) | 172,096,305 |  | 101,739,217 |
Par value per share | 1.50 |  | 1.50 |
Share capital (US$ millions) | 258 |  | 153 |
Share premium (US$ millions) | 1,085 |  | 476 |
Total (US$ millions) | 1,343 |  | 628 |
(i) On December 13, 2021, in the view of the upcoming right offering, Millicom's Board of Directors proposed to increase the authorized share capital of the Company to $300 million divided into 200 million shares with a par value of $1.50 each, through an extraordinary general meeting ("EGM"). The proposal has been ratified at the EGM which took place on February 28, 2022.
Disclosure of other equity reserves | C.1. Share capital, share premium and reserves Common shares are classified as equity. Incremental costs directly attributable to the issue of new shares are shown in equity as a deduction from the proceeds. Where any Group company purchases the Company’s share capital, the consideration paid, including any directly attributable incremental costs, is shown under Treasury shares and deducted from equity attributable to the Company’s equity holders until the shares are canceled, reissued or disposed of. Where such shares are subsequently sold or reissued, any consideration received, net of any directly attributable incremental costs and the related income tax effects is included in equity attributable to the Company’s equity holders. Share capital, share premium
| 2022 (i) | 2021
Authorized and registered share capital (number of shares) | 200,000,000 |  | 133,333,200 |
Subscribed and fully paid up share capital (number of shares) | 172,096,305 |  | 101,739,217 |
Par value per share | 1.50 |  | 1.50 |
Share capital (US$ millions) | 258 |  | 153 |
Share premium (US$ millions) | 1,085 |  | 476 |
Total (US$ millions) | 1,343 |  | 628 |
(i) On December 13, 2021, in the view of the upcoming right offering, Millicom's Board of Directors proposed to increase the authorized share capital of the Company to $300 million divided into 200 million shares with a par value of $1.50 each, through an extraordinary general meeting ("EGM"). The proposal has been ratified at the EGM which took place on February 28, 2022. On May 18, 2022, the Board of Directors of Millicom resolved on a rights offering (the "Rights Offering") granting preferential subscription rights to existing holders of shares and Swedish Depositary Receipts ("SDRs") to subscribe for up to 70,357,088 shares in aggregate. Those who were registered as holders of shares/SDR register on May 23, 2022, received one subscription right for each share ("Share Right") or SDR ("SDR right") held in Millicom. 10 share rights entitled a holder thereof to subscribe for 7 new shares in Millicom and 10 SDR Rights entitled a holder thereof to subscribe 7 new SDRs in Millicom. The subscription price was set at SEK 106 per new SDR and $10.61 per new share. The subscription price in SEK was determined based on the subscription price in U.S dollars as resolved by Millicom, $10.61 per new share, using the SEK-U.S dollar exchange rate published by the Swedish Central Bank on May 17, 2022. The record date for participation in the Rights Offering was May 23, 2022. The subscription period ran from May 27, 2022 up to June 13, 2022. The result of the Rights Offering showed that 68,822,675 shares, including those represented by SDRs, have been subscribed for by the exercise of basic subscription rights. The remaining 1,534,413 shares, including those represented by SDRs, were allotted to those investors who subscribed for them pursuant to over subscription privileges. The Rights Offering was thus fully subscribed, and Millicom received proceeds amounting to approximately $717 million after deducting underwriting commissions and other offering expenses of $28 million. The Rights Offering resulted in the issuance of 70,357,088 new shares, which increased the number of outstanding shares in Millicom from 101,739,217 to 172,096,305. As a result, the share capital increased by $106 million to $258 million from $153 million. The remaining $611 million have been allocated to the Group's share premium account. Other equity reserves
| Legal reserve | Equity settled transaction reserve | Hedge reserve | Currency translation reserve | Pension obligation reserve | Total
| (US$ millions)
As of January 1, 2020 | 16 |  | 52 |  | (18) |  | (593) |  | (2) |  | (544) |
Share based compensation | — |  | 24 |  | — |  | — |  | — |  | 24 |
Issuance of shares – 2015, 2016, 2017 LTIPs | — |  | (26) |  | — |  | — |  | — |  | (26) |
Remeasurements of post-employment benefit obligations | — |  | — |  | — |  | — |  | (2) |  | (2) |
Cash flow hedge reserve movement | — |  | — |  | (1) |  | — |  | — |  | (1) |
Currency translation movement | — |  | — |  | 0 |  | (12) |  | — |  | (12) |
As of December 31, 2020 | 16 |  | 50 |  | (19) |  | (605) |  | (4) |  | (562) |
Share based compensation | — |  | 18 |  | — |  | — |  | — |  | 18 |
Issuance of shares –2016, 2017, 2018 LTIPs | — |  | (25) |  | — |  | — |  | — |  | (25) |
Remeasurements of post-employment benefit obligations | — |  | — |  | — |  | — |  | 2 |  | 2 |
Cash flow hedge reserve movement | — |  | — |  | 14 |  | — |  | — |  | 14 |
Currency translation movement | — |  | — |  | 1 |  | (41) |  | — |  | (41) |
As of December 31, 2021 | 16 |  | 43 |  | (3) |  | (646) |  | (3) |  | (593) |
Share based compensation | — |  | 25 |  | — |  | — |  | — |  | 25 |
Issuance of shares –2017, 2018, 2019 LTIPs | — |  | (17) |  | — |  | — |  | — |  | (17) |
Remeasurements of post-employment benefit obligations | — |  | — |  | — |  | — |  | (2) |  | (2) |
Cash flow hedge reserve movement | — |  | — |  | 8 |  | — |  | 1 |  | 9 |
Currency translation movement | — |  | — |  | — |  | 20 |  | — |  | 20 |
As of December 31, 2022 | 16 |  | 51 |  | 5 |  | (626) |  | (4) |  | (559) |
Disclosure of detailed information about borrowings | C.3. Debt and financing Debt and financing by type (i)
| Note | 2022 | 2021
|  | (US$ millions)
Debt and financing due after more than one year |  |  |
Bonds | C.3.1. | 4,879 |  | 4,030 |
Banks | C.3.2. | 1,776 |  | 1,851 |
Other financing (ii) |  | 30 |  | 36 |
Total non-current financing |  | 6,686 |  | 5,916 |
Less: portion payable within one year |  | (61) |  | (12) |
Total non-current financing due after more than one year |  | 6,624 |  | 5,904 |
Debt and financing due within one year |  |  |
Bonds | C.3.1. | 101 |  | 61 |
Banks | C.3.2. | 18 |  | 1,768 |
Total current debt and financing |  | 119 |  | 1,828 |
Add: portion of non-current debt payable within one year |  | 61 |  | 12 |
Total |  | 180 |  | 1,840 |
Total debt and financing |  | 6,804 |  | 7,744 |
(i) See note D.1.1. for further details on maturity profile of the Group debt and financing. (ii) In July 2018, the Company issued a COP144,054.5 million /$50 million bilateral facility with IIC (Inter-American Development Bank) for a USD indexed to COP Note. The note bears interest at 9.450% p.a.. This COP Note is used as net investment hedge of the net assets of our operations in Colombia. Debt and financing by location
| 2022 | 2021
| (US$ millions)
Millicom International Cellular S.A. (Luxembourg) | 2,573 |  | 4,020 |
Guatemala | 1,465 |  | 605 |
Colombia | 605 |  | 802 |
Paraguay | 678 |  | 751 |
Bolivia | 260 |  | 310 |
Panama | 773 |  | 846 |
Tanzania | — |  | 188 |
Costa Rica | 128 |  | 121 |
El Salvador | 173 |  | 100 |
Nicaragua | 147 |  | — |
Total debt and financing | 6,804 |  | 7,744 |
Debt and financing are initially recognized at fair value, net of directly attributable transaction costs. They are subsequently measured at amortized cost using the effective interest rate method. Amortized cost is calculated by taking into account any discount or premium on acquisition and any fees or costs that are an integral part of the effective interest rate. Any difference between the initial amount and the maturity amount is recognized in the consolidated statement of income over the period of the borrowing. Borrowings are classified as current liabilities, unless the Group has an unconditional right to defer settlement of the liability for at least 12 months from the statement of financial position date. Bond financing
| Note | Country | Maturity | Interest Rate % | 2022 | 2021
|  |  | (US$ millions)
SEK Variable Rate Notes | 1 |  | Luxembourg | 2024 | STIBOR (i) + 2.350% | 191 |  | 220 |
SEK Variable Rate Notes | 1 |  | Luxembourg | 2027 | STIBOR (i) + 3.000% | 214 |  | — |
USD 4.500% Senior Notes | 2 |  | Luxembourg | 2031 | 4.500 | % | 779 |  | 777 |
USD 6.625% Senior Notes | 3 |  | Luxembourg | 2026 | 6.625 | % | 147 |  | 147 |
USD 6.250% Senior Notes | 4 |  | Luxembourg | 2029 | 6.250 | % | 670 |  | 670 |
USD 5.125% Senior Notes | 5 |  | Luxembourg | 2028 | 5.125 | % | 446 |  | 445 |
USD 5.875% Senior Notes | 6 |  | Paraguay | 2027 | 5.875 | % | 508 |  | 556 |
PYG 8.750% Notes (tranche A) | 6 |  | Paraguay | 2024 | 8.750 | % | 16 |  | 17 |
PYG 9.250% Notes (tranche B) | 6 |  | Paraguay | 2026 | 9.250 | % | 7 |  | 7 |
PYG 10.000% Notes (tranche C) | 6 |  | Paraguay | 2029 | 10.000 | % | 9 |  | 9 |
PYG 9.250% Notes (tranche D) | 6 |  | Paraguay | 2026 | 9.250 | % | 1 |  | 1 |
PYG 10.000% Notes (tranche E) | 6 |  | Paraguay | 2029 | 10.000 | % | 3 |  | 4 |
PYG 9.250% Notes (tranche F) | 6 |  | Paraguay | 2027 | 9.250 | % | 2 |  | 2 |
PYG 10.000% Notes (tranche G) | 6 |  | Paraguay | 2030 | 10.000 | % | 3 |  | 3 |
PYG 6.000% Notes (tranche H) | 6 |  | Paraguay | 2026 | 6.000 | % | 13 |  | 14 |
PYG 6.700% Notes (tranche I) | 6 |  | Paraguay | 2028 | 6.700 | % | 19 |  | 21 |
PYG 7.500% Notes (tranche J) | 6 |  | Paraguay | 2031 | 7.500 | % | 22 |  | 23 |
BOB 5.800% Notes | 7 |  | Bolivia | 2026 | 5.800 | % | 35 |  | 50 |
BOB 4.850% Notes | 7 |  | Bolivia | 2023 | 4.850 | % | 14 |  | 28 |
BOB 3.950% Notes | 7 |  | Bolivia | 2024 | 3.950 | % | 14 |  | 21 |
BOB 4.600% Notes | 7 |  | Bolivia | 2024 | 4.600 | % | 41 |  | 40 |
BOB 4.300% Notes | 7 |  | Bolivia | 2029 | 4.300 | % | 15 |  | 17 |
BOB 4.300% Notes | 7 |  | Bolivia | 2022 | 4.300 | % | — |  | 11 |
BOB 4.700% Notes | 7 |  | Bolivia | 2024 | 4.700 | % | 21 |  | 25 |
BOB 5.300% Notes | 7 |  | Bolivia | 2026 | 5.300 | % | 8 |  | 9 |
BOB 5.000% Notes | 7 |  | Bolivia | 2026 | 5.000 | % | 48 |  | 54 |
UNE Bond 2 (tranches A and B) | 8 |  | Colombia | 2023 | CPI + 4.76% | 31 |  | 38 |
UNE Bond 3 (tranche A) | 8 |  | Colombia | 2024 | 9.350 | % | 33 |  | 40 |
UNE Bond 3 (tranche B) | 8 |  | Colombia | 2026 | CPI + 4.15% | 53 |  | 64 |
UNE Bond 3 (tranche C) | 8 |  | Colombia | 2036 | CPI + 4.89% | 26 |  | 32 |
UNE Bond 6.600% | 8 |  | Colombia | 2030 | 6.600 | % | 31 |  | 38 |
UNE Bond 4 (tranche A) | 8 |  | Colombia | 2028 | 5.560 | % | 24 |  | 29 |
UNE Bond 4 (tranche B) | 8 |  | Colombia | 2031 | CPI + 2.61% | 59 |  | 71 |
UNE Bond 4 (tranche C) | 8 |  | Colombia | 2036 | CPI + 3.18% | 18 |  | 21 |
USD 4.500% Senior Notes | 9 |  | Panama | 2030 | 4.500 | % | 589 |  | 587 |
USD Comcel Senior Notes 5.125% | 10 |  | Guatemala | 2032 | 5.125 | % | 870 |  | — |
Total bond financing |  |  |  |  | 4,980 |  | 4,090 |
(i) STIBOR – Swedish Interbank Offered Rate. Bank and Development Financial Institution financing
| Note | Country | Maturity range | Interest rate | 2022 | 2021
|  |  |  |  | (US$ millions)
Fixed rate loans |  |  |  |  |  |
PYG Long-term loans | 1 | Paraguay | 2023-2026 | Fixed | 76 |  | 94 |
USD - Long-term loans | 2 | Panama | 2025-2026 | Fixed | 185 |  | 259 |
BOB Long-term loans | 3 | Bolivia | 2023-2026 | Fixed | 64 |  | 54 |
GTQ Long-term loans | 8 | Guatemala | 2025-2027 | Fixed | 595 |  | 605 |
Variable rate loans |  |  |  |  |  |
USD Long-term loans | 4 | Costa Rica | 2026 | Variable | 32 |  | 33 |
CRC Long-term loans | 4 | Costa Rica | 2026 | Variable | 96 |  | 88 |
USD Long-term loans |  | Tanzania | 2022-2025 | Variable | — |  | 150 |
TZS Long-term loans |  | Tanzania | 2022-2025 | Variable | — |  | 38 |
COP Long-term loans | 5 | Colombia | 2025-2030 | Variable | 280 |  | 322 |
USD Long-term loans | 5 | Colombia | 2024 | Variable | 50 |  | 148 |
USD Credit Facility / Senior Unsecured Term Loan Facility | 6 | El Salvador | 2026-2027 | Variable | 173 |  | 99 |
USD Long-term loans | 6 | Nicaragua | 2027 | Variable | 147 |  | — |
USD Revolving Credit Facility(i) | 7 | Luxembourg | 2025 | Variable | (3) |  | (4) |
USD Bridge Loan | 7 | Luxembourg | 2022 | Variable | — |  | 1,632 |
USD DNB Bilateral | 7 | Luxembourg | 2026 | Variable | 99 |  | 99 |
Total Bank and Development Financial Institution financing |  |  |  |  | 1,794 |  | 3,618 |
(i) Relates to the amortized costs of the undrawn RCF that the Company entered into in October 2020 - see point 7 below.
Disclosure of interest and other financial expenses | Interest and other financial expenses The Group’s interest and other financial expenses comprised the following:
| December 31
| 2022 | 2021 | 2020
| (US$ millions)
Interest expense on bonds and bank financing | (434) |  | (329) |  | (369) |
Interest expense on leases | (124) |  | (113) |  | (112) |
Early redemption charges | — |  | (5) |  | (15) |
Others | (59) |  | (47) |  | (64) |
Total interest and other financial expenses | (617) |  | (495) |  | (560) |
Disclosure of contingent liabilities | Maturity of guarantees
| Bank and financing guarantees (i) | Supplier guarantees
Terms | As at December 31, 2022 | As at December 31, 2021 | As at December 31, 2022 | As at December 31, 2021
| Outstanding and Maximum exposure | Outstanding and Maximum exposure
0-1 year | 13 |  | 71 |  | 2 |  | 82 |
1-3 years | 70 |  | 6 |  | — |  | — |
3-5 years | 418 |  | 223 |  | — |  | — |
Total | 501 |  | 300 |  | 2 |  | 82 |
(i) If non-payment by the obligor, the guarantee ensures payment of outstanding amounts by the Group's guarantor.
Disclosure of leases | At December 31, 2022, lease liabilities are presented in the statement of financial position as follows:
| December 31, 2022 | December 31, 2021
| (US$ millions)
Current | 163 |  | 171 |
Non-Current | 853 |  | 996 |
Total Lease liabilities | 1,016 |  | 1,167 |
The expenses relating to payments not included in the measurement of the lease liability are disclosed in operating expenses and are as follows:
| 2022 | 2021 |  |
| (US$ millions) |  |
Expense relating to short-term leases (included in cost of sales and operating expenses) | 0 |  | 0 |  |  |
Schedule of cash and cash equivalents |
| 2022 | 2021
| (US$ millions)
Cash and cash equivalents in USD | 820 |  | 526 |
Cash and cash equivalents in other currencies | 220 |  | 369 |
Total cash and cash equivalents | 1,039 |  | 895 |
Schedule of restricted cash |
| 2022 | 2021
| (US$ millions)
Mobile Financial Services | 50 |  | 197 |
Others | 6 |  | 7 |
Restricted cash | 57 |  | 203 |
Disclosure of net debt | Net financial obligations
| 2022 | 2021
| (US$ millions)
Total debt and financing | 6,804 |  | 7,744 |
Lease liabilities | 1,016 |  | 1,167 |
Gross financial obligations | 7,820 |  | 8,911 |
Less: |  |
Cash and cash equivalents | (1,039) |  | (895) |
Pledged deposits | — |  | (35) |
Net financial obligations at the end of the year | 6,780 |  | 7,981 |
Add (less) derivatives related to debt (note D.1.2.) | 34 |  | (20) |
Net financial obligations including derivatives related to debt | 6,814 |  | 7,961 |
| Assets | Liabilities from financing activities |
| Cash and cash equivalents | Other | Bond and bank debt and financing |  | Lease liabilities | Total
Net financial obligations as at January 1, 2021 | 875 |  | — |  | 5,691 |  |  | 1,021 |  | 5,837 |
Cash flows | (169) |  | 31 |  | 1,779 |  |  | (137) |  | 1,780 |
Scope Changes | 199 |  | 4 |  | 413 |  |  | 204 |  | 414 |
Recognition / Remeasurement | — |  | — |  | — |  |  | 123 |  | 123 |
Interest accretion | — |  | — |  | 20 |  |  | — |  | 20 |
Foreign exchange movements | (10) |  | — |  | (108) |  |  | (44) |  | (142) |
Transfers | — |  | — |  | (15) |  |  | 1 |  | (14) |
Other non-cash movements | — |  | — |  | (36) |  |  | — |  | (36) |
Net financial obligations as at December 31, 2021 | 895 |  | 35 |  | 7,744 |  |  | 1,167 |  | 7,981 |
Cash flows | 179 |  | (35) |  | (557) |  |  | (157) |  | (858) |
Scope changes | — |  | — |  | — |  |  | — |  | — |
Recognition / Remeasurement | — |  | — |  | — |  |  | 251 |  | 251 |
Interest accretion | — |  | — |  | 9 |  |  | — |  | 9 |
Foreign exchange movements | (11) |  | — |  | (197) |  |  | (63) |  | (249) |
Transfers to/from assets held for sale | (24) |  | — |  | (189) |  |  | (184) |  | (349) |
Transfers | — |  | — |  | 1 |  |  | 2 |  | 4 |
Other non-cash movements | — |  | — |  | (8) |  |  | — |  | (8) |
Net financial obligations as at December 31, 2022 | 1,039 |  | — |  | 6,804 |  |  | 1,016 |  | 6,780 |
Disclosure of fair value measurement of assets | Fair values of financial instruments at December 31,
|  | Carrying value | Fair value
| Note | 2022 | 2021 | 2022 | 2021
|  | (US$ millions)
Financial assets |  |  |  |  |
Derivative financial instruments |  | 19 |  | 21 |  | 19 |  | 21 |
Other non-current assets |  | 76 |  | 74 |  | 76 |  | 74 |
Trade receivables, net |  | 379 |  | 405 |  | 379 |  | 405 |
Amounts due from non-controlling interests, associates and joint venture partners | G.5. | 15 |  | 65 |  | 15 |  | 65 |
Prepayments and accrued income |  | 117 |  | 166 |  | 117 |  | 166 |
Supplier advances for capital expenditures |  | 21 |  | 35 |  | 21 |  | 35 |
Other current assets |  | 197 |  | 269 |  | 197 |  | 269 |
Restricted cash | C.5.2. | 57 |  | 203 |  | 57 |  | 203 |
Cash and cash equivalents | C.5.1. | 1,039 |  | 895 |  | 1,039 |  | 895 |
Total financial assets |  | 1,920 |  | 2,134 |  | 1,920 |  | 2,134 |
Current |  | 1,825 |  | 2,015 |  | 1,825 |  | 2,015 |
Non-current |  | 95 |  | 119 |  | 95 |  | 119 |
Financial liabilities |  |  |  |  |
Debt and financing (i) | C.3. | 6,804 |  | 7,744 |  | 6,327 |  | 7,817 |
Trade payables |  | 400 |  | 347 |  | 400 |  | 347 |
Payables and accruals for capital expenditure |  | 428 |  | 452 |  | 428 |  | 452 |
Derivative financial instruments |  | 53 |  | 1 |  | 53 |  | 1 |
Put option liability | C.7.4. | — |  | 290 |  | — |  | 290 |
Amounts due to non-controlling interests, associates and joint venture partners | G.5. | 58 |  | 74 |  | 58 |  | 74 |
Accrued interest and other expenses |  | 412 |  | 539 |  | 412 |  | 539 |
Other liabilities |  | 658 |  | 814 |  | 658 |  | 814 |
Total financial liabilities |  | 8,812 |  | 10,260 |  | 8,335 |  | 10,334 |
Current |  | 1,601 |  | 3,858 |  | 1,601 |  | 3,858 |
Non-current |  | 7,210 |  | 6,403 |  | 6,733 |  | 6,476 |
(i) Fair values are measured with reference to Level 1 (for listed bonds) or level 2.
Disclosure of fair value measurement of liabilities | Fair values of financial instruments at December 31,
|  | Carrying value | Fair value
| Note | 2022 | 2021 | 2022 | 2021
|  | (US$ millions)
Financial assets |  |  |  |  |
Derivative financial instruments |  | 19 |  | 21 |  | 19 |  | 21 |
Other non-current assets |  | 76 |  | 74 |  | 76 |  | 74 |
Trade receivables, net |  | 379 |  | 405 |  | 379 |  | 405 |
Amounts due from non-controlling interests, associates and joint venture partners | G.5. | 15 |  | 65 |  | 15 |  | 65 |
Prepayments and accrued income |  | 117 |  | 166 |  | 117 |  | 166 |
Supplier advances for capital expenditures |  | 21 |  | 35 |  | 21 |  | 35 |
Other current assets |  | 197 |  | 269 |  | 197 |  | 269 |
Restricted cash | C.5.2. | 57 |  | 203 |  | 57 |  | 203 |
Cash and cash equivalents | C.5.1. | 1,039 |  | 895 |  | 1,039 |  | 895 |
Total financial assets |  | 1,920 |  | 2,134 |  | 1,920 |  | 2,134 |
Current |  | 1,825 |  | 2,015 |  | 1,825 |  | 2,015 |
Non-current |  | 95 |  | 119 |  | 95 |  | 119 |
Financial liabilities |  |  |  |  |
Debt and financing (i) | C.3. | 6,804 |  | 7,744 |  | 6,327 |  | 7,817 |
Trade payables |  | 400 |  | 347 |  | 400 |  | 347 |
Payables and accruals for capital expenditure |  | 428 |  | 452 |  | 428 |  | 452 |
Derivative financial instruments |  | 53 |  | 1 |  | 53 |  | 1 |
Put option liability | C.7.4. | — |  | 290 |  | — |  | 290 |
Amounts due to non-controlling interests, associates and joint venture partners | G.5. | 58 |  | 74 |  | 58 |  | 74 |
Accrued interest and other expenses |  | 412 |  | 539 |  | 412 |  | 539 |
Other liabilities |  | 658 |  | 814 |  | 658 |  | 814 |
Total financial liabilities |  | 8,812 |  | 10,260 |  | 8,335 |  | 10,334 |
Current |  | 1,601 |  | 3,858 |  | 1,601 |  | 3,858 |
Non-current |  | 7,210 |  | 6,403 |  | 6,733 |  | 6,476 |
(i) Fair values are measured with reference to Level 1 (for listed bonds) or level 2.

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